CVE-2023-38406 — Improper Handling of Exceptional Conditions in Frrouting

CWE-755 — Improper Handling of Exceptional ConditionsCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer8 documents6 sources
Severity
9.8CRITICALNVD
OSV7.8
EPSS
0.1%
top 65.35%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
FrroutingDebian FRR
Timeline
PublishedNov 6
Latest updateJun 5

Description

bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDfrrouting/frrouting< 8.4.3
▶debiandebian/frr< frr 8.4.4-1.1~deb12u1 (bookworm)

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
OSV
frr vulnerabilities↗2024-06-05
▶
GHSA
GHSA-8jp5-89m5-6xp3: bgpd/bgp_flowspec↗2023-11-06
▶
OSV
CVE-2023-38406: bgpd/bgp_flowspec↗2023-11-06
▶

📋Vendor Advisories

4
Ubuntu
FRR vulnerabilities↗2024-06-05
▶
Ubuntu
FRR vulnerabilities↗2023-11-21
▶
Red Hat
ffr: Flowspec overflow in bgpd/bgp_flowspec.c↗2023-02-24
▶
Debian
CVE-2023-38406: frr - bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of...↗2023
▶