SUSE update for unbound

1) NULL pointer dereference

EUVDB-ID: #VU96082

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-43167

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the ub_ctx_set_fwd() function. A remote attacker can send specially crafted request to the server and perform a denial of service (DoS) attack.

Mitigation

Update the affected package unbound to the latest version.

Vulnerable software versions

SUSE Package Hub 15: 15-SP6

Basesystem Module: 15-SP6

SUSE Linux Enterprise Real Time 15: SP6

openSUSE Leap: 15.6

SUSE Linux Enterprise Server for SAP Applications 15: SP6

SUSE Linux Enterprise Server 15: SP6

SUSE Linux Enterprise Desktop 15: SP6

unbound-munin: before 1.20.0-150600.23.6.1

unbound-debugsource: before 1.20.0-150600.23.6.1

libunbound-devel-mini: before 1.20.0-150600.23.6.1

unbound: before 1.20.0-150600.23.6.1

unbound-anchor: before 1.20.0-150600.23.6.1

unbound-devel: before 1.20.0-150600.23.6.1

unbound-debuginfo: before 1.20.0-150600.23.6.1

libunbound-devel-mini-debuginfo: before 1.20.0-150600.23.6.1

unbound-python: before 1.20.0-150600.23.6.1

unbound-anchor-debuginfo: before 1.20.0-150600.23.6.1

libunbound8: before 1.20.0-150600.23.6.1

unbound-python-debuginfo: before 1.20.0-150600.23.6.1

libunbound-devel-mini-debugsource: before 1.20.0-150600.23.6.1

libunbound8-debuginfo: before 1.20.0-150600.23.6.1

CPE2.3

• cpe:2.3:o:suse:suse_package_hub_15:15-SP6:*:*:*:*:*:*:
• cpe:2.3:o:suse:basesystem_module:15-SP6:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP6:*:*:*:*:*:*:
• cpe:2.3:o:suse:opensuse_leap:15.6:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP6:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP6:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP6:*:*:*:*:*:*:

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20243111-1/

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.