SUSE update for unbound
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2022-30698 CVE-2022-30699 CVE-2022-3204 CVE-2023-50387 CVE-2023-50868 |
| CWE-ID | CWE-341 CWE-400 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #4 is available. Public exploit code for vulnerability #5 is available. |
| Vulnerable software |
SUSE Linux Enterprise Server 15 SP4 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing LTSS 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing ESPOS 15 Operating systems & Components / Operating system SUSE Linux Enterprise Desktop 15 SP4 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise Micro Operating systems & Components / Operating system SUSE Package Hub 15 Operating systems & Components / Operating system Basesystem Module Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 Operating systems & Components / Operating system SUSE Linux Enterprise Real Time 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 15 Operating systems & Components / Operating system SUSE Linux Enterprise Desktop 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 SP3 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 SP2 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system SUSE Enterprise Storage Operating systems & Components / Operating system SUSE Manager Retail Branch Server Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Manager Proxy Operating systems & Components / Operating system unbound-munin Operating systems & Components / Operating system package or component unbound-python Operating systems & Components / Operating system package or component unbound Operating systems & Components / Operating system package or component unbound-python-debuginfo Operating systems & Components / Operating system package or component libunbound8-debuginfo Operating systems & Components / Operating system package or component unbound-anchor Operating systems & Components / Operating system package or component unbound-anchor-debuginfo Operating systems & Components / Operating system package or component unbound-debuginfo Operating systems & Components / Operating system package or component unbound-debugsource Operating systems & Components / Operating system package or component unbound-devel Operating systems & Components / Operating system package or component libunbound8 Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Predictable from Observable State
EUVDB-ID: #VU66548
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-30698
CWE-ID:
CWE-341 - Predictable from Observable State
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to poison DNS cache.
The vulnerability exists due to the way Unbound handles delegation information expiration event. A remote attacker who controls a rouge DNS server can force the Unbound instance to cache incorrect information about subdomain delegation and permanently poison the DNS cache, e.g. perform the "ghost domain names" attack.
The attack is carried out when Unbound is queried for a subdomain of a rogue domain name. The rogue nameserver returns delegation information for the subdomain that updates Unbound's delegation cache. This action can be repeated before expiry of the delegation information by querying Unbound for a second level subdomain which the rogue nameserver provides new delegation information. Since Unbound is a child-centric resolver, the ever-updating child delegation information can keep a rogue domain name resolvable long after revocation. MitigationUpdate the affected package unbound to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise High Performance Computing LTSS 15: SP3 - SP4
SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4
SUSE Linux Enterprise Desktop 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise Micro: 5.5
SUSE Package Hub 15: 15-SP5
Basesystem Module: 15-SP5
SUSE Linux Enterprise Server for SAP Applications 15: SP2 - SP5
SUSE Linux Enterprise Server 15: SP2 - SP5
SUSE Linux Enterprise Real Time 15: SP5
SUSE Linux Enterprise High Performance Computing 15: SP2 - SP5
SUSE Linux Enterprise Desktop 15: SP5
SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3
SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2
openSUSE Leap: 15.5
SUSE Enterprise Storage: 7.1
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
unbound-munin: before 1.20.0-150100.10.13.1
unbound-python: before 1.20.0-150100.10.13.1
unbound: before 1.20.0-150100.10.13.1
unbound-python-debuginfo: before 1.20.0-150100.10.13.1
libunbound8-debuginfo: before 1.20.0-150100.10.13.1
unbound-anchor: before 1.20.0-150100.10.13.1
unbound-anchor-debuginfo: before 1.20.0-150100.10.13.1
unbound-debuginfo: before 1.20.0-150100.10.13.1
unbound-debugsource: before 1.20.0-150100.10.13.1
unbound-devel: before 1.20.0-150100.10.13.1
libunbound8: before 1.20.0-150100.10.13.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_desktop_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_package_hub_15:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:basesystem_module:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp3_ltss:15-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_enterprise_storage:7.1:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:unbound-munin:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-python:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-python-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libunbound8-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-anchor:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-anchor-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libunbound8:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2024/suse-su-20241991-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Predictable from Observable State
EUVDB-ID: #VU66547
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-30699
CWE-ID:
CWE-341 - Predictable from Observable State
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to poison DNS cache.
The vulnerability exists due to the way Unbound handles delegation information expiration event. A remote attacker who controls a rouge DNS server can force the Unbound instance to cache incorrect information about domain delegation and permanently poison the DNS cache, e.g. perform the "ghost domain names" attack.
The attack is perform when Unbound is queried for a rogue domain name, which cached delegation information is about to expire. The rogue nameserver delays the response until the cached delegation information expires. Upon receiving the delayed answer containing the delegation information, Unbound overwrites the now expired entries.
MitigationUpdate the affected package unbound to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise High Performance Computing LTSS 15: SP3 - SP4
SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4
SUSE Linux Enterprise Desktop 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise Micro: 5.5
SUSE Package Hub 15: 15-SP5
Basesystem Module: 15-SP5
SUSE Linux Enterprise Server for SAP Applications 15: SP2 - SP5
SUSE Linux Enterprise Server 15: SP2 - SP5
SUSE Linux Enterprise Real Time 15: SP5
SUSE Linux Enterprise High Performance Computing 15: SP2 - SP5
SUSE Linux Enterprise Desktop 15: SP5
SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3
SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2
openSUSE Leap: 15.5
SUSE Enterprise Storage: 7.1
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
unbound-munin: before 1.20.0-150100.10.13.1
unbound-python: before 1.20.0-150100.10.13.1
unbound: before 1.20.0-150100.10.13.1
unbound-python-debuginfo: before 1.20.0-150100.10.13.1
libunbound8-debuginfo: before 1.20.0-150100.10.13.1
unbound-anchor: before 1.20.0-150100.10.13.1
unbound-anchor-debuginfo: before 1.20.0-150100.10.13.1
unbound-debuginfo: before 1.20.0-150100.10.13.1
unbound-debugsource: before 1.20.0-150100.10.13.1
unbound-devel: before 1.20.0-150100.10.13.1
libunbound8: before 1.20.0-150100.10.13.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_desktop_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_package_hub_15:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:basesystem_module:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp3_ltss:15-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_enterprise_storage:7.1:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:unbound-munin:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-python:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-python-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libunbound8-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-anchor:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-anchor-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libunbound8:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2024/suse-su-20241991-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Resource exhaustion
EUVDB-ID: #VU69407
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-3204
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when processing a malicious delegation with a considerable number of non responsive nameservers. A remote attacker can trigger CPU high usage and perform a denial of service (DoS) attack.
The attack is known as "Non-Responsive Delegation Attack" (NRDelegation Attack).
MitigationUpdate the affected package unbound to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise High Performance Computing LTSS 15: SP3 - SP4
SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4
SUSE Linux Enterprise Desktop 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise Micro: 5.5
SUSE Package Hub 15: 15-SP5
Basesystem Module: 15-SP5
SUSE Linux Enterprise Server for SAP Applications 15: SP2 - SP5
SUSE Linux Enterprise Server 15: SP2 - SP5
SUSE Linux Enterprise Real Time 15: SP5
SUSE Linux Enterprise High Performance Computing 15: SP2 - SP5
SUSE Linux Enterprise Desktop 15: SP5
SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3
SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2
openSUSE Leap: 15.5
SUSE Enterprise Storage: 7.1
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
unbound-munin: before 1.20.0-150100.10.13.1
unbound-python: before 1.20.0-150100.10.13.1
unbound: before 1.20.0-150100.10.13.1
unbound-python-debuginfo: before 1.20.0-150100.10.13.1
libunbound8-debuginfo: before 1.20.0-150100.10.13.1
unbound-anchor: before 1.20.0-150100.10.13.1
unbound-anchor-debuginfo: before 1.20.0-150100.10.13.1
unbound-debuginfo: before 1.20.0-150100.10.13.1
unbound-debugsource: before 1.20.0-150100.10.13.1
unbound-devel: before 1.20.0-150100.10.13.1
libunbound8: before 1.20.0-150100.10.13.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_desktop_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_package_hub_15:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:basesystem_module:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp3_ltss:15-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_enterprise_storage:7.1:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:unbound-munin:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-python:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-python-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libunbound8-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-anchor:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-anchor-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libunbound8:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2024/suse-su-20241991-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Resource exhaustion
EUVDB-ID: #VU86377
Risk: Medium
CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]
CVE-ID: CVE-2023-50387
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation when processing DNSSEC related records. A remote attacker can trigger resource exhaustion by forcing the DNS server to query a specially crafted DNSSEC zone and perform a denial of service (DoS) attack.
MitigationUpdate the affected package unbound to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise High Performance Computing LTSS 15: SP3 - SP4
SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4
SUSE Linux Enterprise Desktop 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise Micro: 5.5
SUSE Package Hub 15: 15-SP5
Basesystem Module: 15-SP5
SUSE Linux Enterprise Server for SAP Applications 15: SP2 - SP5
SUSE Linux Enterprise Server 15: SP2 - SP5
SUSE Linux Enterprise Real Time 15: SP5
SUSE Linux Enterprise High Performance Computing 15: SP2 - SP5
SUSE Linux Enterprise Desktop 15: SP5
SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3
SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2
openSUSE Leap: 15.5
SUSE Enterprise Storage: 7.1
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
unbound-munin: before 1.20.0-150100.10.13.1
unbound-python: before 1.20.0-150100.10.13.1
unbound: before 1.20.0-150100.10.13.1
unbound-python-debuginfo: before 1.20.0-150100.10.13.1
libunbound8-debuginfo: before 1.20.0-150100.10.13.1
unbound-anchor: before 1.20.0-150100.10.13.1
unbound-anchor-debuginfo: before 1.20.0-150100.10.13.1
unbound-debuginfo: before 1.20.0-150100.10.13.1
unbound-debugsource: before 1.20.0-150100.10.13.1
unbound-devel: before 1.20.0-150100.10.13.1
libunbound8: before 1.20.0-150100.10.13.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_desktop_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_package_hub_15:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:basesystem_module:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp3_ltss:15-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_enterprise_storage:7.1:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:unbound-munin:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-python:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-python-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libunbound8-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-anchor:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-anchor-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libunbound8:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2024/suse-su-20241991-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
5) Resource exhaustion
EUVDB-ID: #VU86378
Risk: Medium
CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]
CVE-ID: CVE-2023-50868
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation when processing DNSSEC related records. A remote attacker can trigger resource exhaustion by forcing the DNS server to query a specially crafted DNSSEC zone and perform a denial of service (DoS) attack.
MitigationUpdate the affected package unbound to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise High Performance Computing LTSS 15: SP3 - SP4
SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4
SUSE Linux Enterprise Desktop 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise Micro: 5.5
SUSE Package Hub 15: 15-SP5
Basesystem Module: 15-SP5
SUSE Linux Enterprise Server for SAP Applications 15: SP2 - SP5
SUSE Linux Enterprise Server 15: SP2 - SP5
SUSE Linux Enterprise Real Time 15: SP5
SUSE Linux Enterprise High Performance Computing 15: SP2 - SP5
SUSE Linux Enterprise Desktop 15: SP5
SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3
SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2
openSUSE Leap: 15.5
SUSE Enterprise Storage: 7.1
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
unbound-munin: before 1.20.0-150100.10.13.1
unbound-python: before 1.20.0-150100.10.13.1
unbound: before 1.20.0-150100.10.13.1
unbound-python-debuginfo: before 1.20.0-150100.10.13.1
libunbound8-debuginfo: before 1.20.0-150100.10.13.1
unbound-anchor: before 1.20.0-150100.10.13.1
unbound-anchor-debuginfo: before 1.20.0-150100.10.13.1
unbound-debuginfo: before 1.20.0-150100.10.13.1
unbound-debugsource: before 1.20.0-150100.10.13.1
unbound-devel: before 1.20.0-150100.10.13.1
libunbound8: before 1.20.0-150100.10.13.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_desktop_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_package_hub_15:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:basesystem_module:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp3_ltss:15-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_enterprise_storage:7.1:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:unbound-munin:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-python:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-python-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libunbound8-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-anchor:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-anchor-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:unbound-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libunbound8:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2024/suse-su-20241991-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
