What is CVE-2023-41361?

CVE-2023-41361 is a critical-severity vulnerability in Frrouting, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-08-29.

How severe is CVE-2023-41361?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-41361 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Frrouting

CVE-2023-41361

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.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Frrouting
Debian Debian_linux — versions 10.0
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

DiRaltvein/memory-corruption-examples

References

cve@mitre.org (Patch, Vendor Advisory)
cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2023-41361?: CVE-2023-41361 is a critical-severity vulnerability in Frrouting, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-08-29.
How severe is CVE-2023-41361?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-41361 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.