Buffer overflow in Quagga

CVE-2012-0255

The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers for OPEN messages, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a message associated with a malformed Four-octet AS Number Capability (aka AS4 capability).

Vulnerability class: Buffer Overflow

EPSS: 0.035 (87.9th percentile) — read the EPSS interpretation.

Affected products

Quagga — versions 0.95, 0.96, 0.96.1
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cret@cert.org (x_refsource_REDHAT, vendor-advisory)
cret@cert.org (vendor-advisory, x_refsource_FEDORA)
cret@cert.org (vendor-advisory, x_refsource_DEBIAN)
cret@cert.org (US Government Resource, x_refsource_CERT-VN, third-party-advisory)
cret@cert.org (x_refsource_SECUNIA, third-party-advisory)
cret@cert.org (vendor-advisory, x_refsource_FEDORA)
cret@cert.org (vendor-advisory, x_refsource_FEDORA)