Race Condition Affecting libfrrcares0 package, versions <7.4-150300.4.10.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
2.57% (85th percentile)

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  • Snyk IDSNYK-SLES154-LIBFRRCARES0-3126967
  • published19 Nov 2022
  • disclosed18 Nov 2022

Introduced: 18 Nov 2022

CVE-2022-37035  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 libfrrcares0 to version 7.4-150300.4.10.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libfrrcares0 package and not the libfrrcares0 package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.

CVSS Base Scores

version 3.1