Buffer overflow in Quagga

CVE-2011-3327

Heap-based buffer overflow in the ecommunity_ecom2str function in bgp_ecommunity.c in bgpd in Quagga before 0.99.19 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by sending a crafted BGP UPDATE message over IPv4.

Vulnerability class: Buffer Overflow

EPSS: 0.076 (93.9th 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_CONFIRM)
cret@cert.org (US Government Resource, x_refsource_CERT-VN, third-party-advisory)
cret@cert.org (vendor-advisory, x_refsource_DEBIAN)
cret@cert.org (x_refsource_REDHAT, vendor-advisory)
cret@cert.org (x_refsource_MISC)
cret@cert.org (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
cret@cert.org (vendor-advisory, x_refsource_SUSE)
cret@cert.org (vendor-advisory, x_refsource_SUSE)
cret@cert.org (x_refsource_CONFIRM)
cret@cert.org (vendor-advisory, x_refsource_GENTOO)