Buffer overflow in frr - CVE-2024-31950

 

Buffer overflow in frr - CVE-2024-31950

Published: June 3, 2024


Vulnerability identifier: #VU90720
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2024-31950
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error in ospf_te_parse_ri when parsing OSPF LSA packets. A remote attacker can send specially crafted packets to the system, trigger memory corruption and perform a denial of service (DoS) attack.


Affected software

frr
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
Server Applications Module
openSUSE Leap
Ubuntu
Fedora
frr (Ubuntu package)
libmlag_pb0-debuginfo
frr-devel
frr-debuginfo
libfrrsnmp0-debuginfo
libmlag_pb0
libfrrfpm_pb0-debuginfo
libfrr0-debuginfo
frr
libfrrsnmp0
libfrr_pb0-debuginfo
libfrrfpm_pb0
libfrrcares0
libfrrzmq0-debuginfo
libfrrzmq0
libfrr_pb0
frr-debugsource
libfrrospfapiclient0-debuginfo
libfrrcares0-debuginfo
libfrr0
libfrrospfapiclient0

How to mitigate CVE-2024-31950

Install updates from vendor's website.

frr (Ubuntu package) - addressed in versions 8.1-1ubuntu1.10, 8.4.4-1.1ubuntu1.4, 8.4.4-1.1ubuntu6.1
libmlag_pb0-debuginfo - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
frr-devel - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
frr-debuginfo - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrrsnmp0-debuginfo - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libmlag_pb0 - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrrfpm_pb0-debuginfo - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrr0-debuginfo - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
frr - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrrsnmp0 - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrr_pb0-debuginfo - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrrfpm_pb0 - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrrcares0 - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrrzmq0-debuginfo - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrrzmq0 - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrr_pb0 - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
frr-debugsource - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrrospfapiclient0-debuginfo - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrrcares0-debuginfo - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrr0 - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
libfrrospfapiclient0 - addressed in versions 8.4-150500.4.23.1, 8.5.6-150500.4.30.1
frr - addressed in versions 8.5.5-1.fc39, 9.1.1-1.fc40

External References

Related Security Bulletins