Input validation error in frr - CVE-2023-31489

Vulnerability identifier: #VU76910

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-2023-31489

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to insufficient validation of user-supplied input within the bgp_capability_llgr() function in bgpd. A remote attacker can pass specially crafted input to the sevrer and perform a denial of service (DoS) attack.

frr
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Real Time 15
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for x86_64
Server Applications Module
openSUSE Leap
Ubuntu
Fedora
Red Hat OpenShift Container Platform
frr (Ubuntu package)
libfrrcares0-debuginfo
libfrr0
libfrr_pb0
frr-debugsource
libfrrfpm_pb0
libfrrospfapiclient0-debuginfo
frr
libfrrospfapiclient0
libfrrsnmp0-debuginfo
libfrrsnmp0
libfrr0-debuginfo
libfrrzmq0-debuginfo
frr-debuginfo
libmlag_pb0
libfrrcares0
libfrr_pb0-debuginfo
frr-devel
libmlag_pb0-debuginfo
libfrrzmq0
libfrrfpm_pb0-debuginfo
frr (Red Hat package)

Install updates from vendor's website.

frr - update to 8.5.1
Red Hat OpenShift Container Platform - update to 4.17.0
frr (Ubuntu package) - addressed in versions 8.1-1ubuntu1.4, 8.1-1ubuntu3.2, 8.4.2-1ubuntu1.1
libfrrcares0-debuginfo - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrr0 - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrr_pb0 - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
frr-debugsource - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrrfpm_pb0 - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrrospfapiclient0-debuginfo - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
frr - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrrospfapiclient0 - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrrsnmp0-debuginfo - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrrsnmp0 - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrr0-debuginfo - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrrzmq0-debuginfo - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
frr-debuginfo - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libmlag_pb0 - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrrcares0 - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrr_pb0-debuginfo - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
frr-devel - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libmlag_pb0-debuginfo - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrrzmq0 - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
libfrrfpm_pb0-debuginfo - addressed in versions 8.4-150500.4.3.1, 8.5.6-150500.4.30.1
frr - addressed in versions 8.5.3-1.fc37, 8.5.3-1.fc38, 8.5.3-1.fc39
frr (Red Hat package) - update to 8.5.3-4.el9

• https://github.com/FRRouting/frr/issues/13098

• Multiple vulnerabilities in FRRouting
• Ubuntu update for frr
• SUSE update for frr
• Fedora 38 update for frr
• Fedora 37 update for frr
• Fedora 39 update for frr
• Red Hat Enterprise Linux 9 update for frr
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.17
• SUSE update for frr