SARA / Free Tools / CVE / CVE-2023-41361

CVE-2023-41361 — An issue was discovered in FRRouting FRR 9

An issue was discovered in FRRouting FRR 9.0. bgpd/bgp_open.c does not check for an overly large length of the rcv software version.

CVSS

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EPSS

38.00% (top 40.80%)

CWE

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Published

2023-08-29T00:00:00.000Z

Last modified

2024-10-02T13:17:49.869Z

CVSS vector

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01What is this vulnerability?

An issue was discovered in FRRouting FRR 9.0. bgpd/bgp_open.c does not check for an overly large length of the rcv software version.

Vendor	Product	Versions
n	a / n/a	n/a

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

github.com — https://github.com/FRRouting/frr/pull/14241
lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html

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