SUSE update for gnutls
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-4209 |
| CWE-ID | CWE-476 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
SUSE Linux Enterprise Realtime Extension Operating systems & Components / Operating system SUSE Linux Enterprise Micro Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE Linux Enterprise Desktop Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Manager Proxy Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise Module for Basesystem Operating systems & Components / Operating system libgnutlsxx28-debuginfo Operating systems & Components / Operating system package or component libgnutlsxx28 Operating systems & Components / Operating system package or component libgnutlsxx-devel Operating systems & Components / Operating system package or component libgnutls30-hmac-32bit Operating systems & Components / Operating system package or component libgnutls30-hmac Operating systems & Components / Operating system package or component libgnutls30-debuginfo Operating systems & Components / Operating system package or component libgnutls30-32bit-debuginfo Operating systems & Components / Operating system package or component libgnutls30-32bit Operating systems & Components / Operating system package or component libgnutls30 Operating systems & Components / Operating system package or component libgnutls-devel Operating systems & Components / Operating system package or component gnutls-debugsource Operating systems & Components / Operating system package or component gnutls-debuginfo Operating systems & Components / Operating system package or component gnutls Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) NULL pointer dereference
EUVDB-ID: #VU66124
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-2021-4209
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in MD_UPDATE. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
MitigationUpdate the affected package gnutls to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Realtime Extension: 15-SP2
SUSE Linux Enterprise Micro: 5.0 - 5.1
SUSE Linux Enterprise Server: 15-SP3-LTSS
SUSE Linux Enterprise High Performance Computing: 15-SP3-LTSS
SUSE Linux Enterprise Desktop: 15-SP3
SUSE Manager Server: 4.2
SUSE Manager Proxy: 4.2
SUSE Linux Enterprise Server for SAP Applications: 15-SP3
SUSE Linux Enterprise Module for Basesystem: 15-SP3
libgnutlsxx28-debuginfo: before 3.6.7-14.16.1
libgnutlsxx28: before 3.6.7-14.16.1
libgnutlsxx-devel: before 3.6.7-14.16.1
libgnutls30-hmac-32bit: before 3.6.7-14.16.1
libgnutls30-hmac: before 3.6.7-14.16.1
libgnutls30-debuginfo: before 3.6.7-14.16.1
libgnutls30-32bit-debuginfo: before 3.6.7-14.16.1
libgnutls30-32bit: before 3.6.7-14.16.1
libgnutls30: before 3.6.7-14.16.1
libgnutls-devel: before 3.6.7-14.16.1
gnutls-debugsource: before 3.6.7-14.16.1
gnutls-debuginfo: before 3.6.7-14.16.1
gnutls: before 3.6.7-14.16.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_realtime_extension:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.1:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:15-SP3-LTSS:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-SP3-LTSS:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_desktop:15-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_server:4.2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_manager_proxy:4.2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:15-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_module_for_basesystem:15-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:libgnutlsxx28-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libgnutlsxx28:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libgnutlsxx-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libgnutls30-hmac-32bit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libgnutls30-hmac:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libgnutls30-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libgnutls30-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libgnutls30-32bit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libgnutls30:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libgnutls-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:gnutls-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:gnutls-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:gnutls:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2022/suse-su-20220717-1/
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.
