CVE-2022-36440 — Reachable Assertion in Frrouting

CWE-617 — Reachable Assertion5 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 47.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Debian FRRDebian LinuxFedoraproject Fedora+1 more
Timeline
PublishedApr 3
Latest updateApr 4

Description

A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_capability function. Attackers can maliciously construct BGP open packets and send them to BGP peers running frr-bgpd, resulting in DoS.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶debiandebian/frr< frr 8.4.1-1 (bookworm)

Also affects: Debian Linux 10.0, 11.0, 12.0, Fedora 36, 37, 38

🔴Vulnerability Details

2
GHSA
GHSA-cpmq-crvm-2w5p: A reachable assertion was found in Frrouting frr-bgpd 8↗2023-04-03
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OSV
CVE-2022-36440: A reachable assertion was found in Frrouting frr-bgpd 8↗2023-04-03
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📋Vendor Advisories

2
Red Hat
frr: Reachable assertion in peek_for_as4_capability function↗2023-04-04
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Debian
CVE-2022-36440: frr - A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_...↗2022
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