Buffer overflow in Quagga

CVE-2012-0249

Buffer overflow in the ospf_ls_upd_list_lsa function in ospf_packet.c in the OSPFv2 implementation in ospfd in Quagga before 0.99.20.1 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a Link State Update (aka LS Update) packet that is smaller than the length specified in its header.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.5th 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, Patch, third-party-advisory)
cret@cert.org (x_refsource_CONFIRM, Exploit, Patch)
cret@cert.org (x_refsource_SECUNIA, third-party-advisory)
cret@cert.org (x_refsource_REDHAT, vendor-advisory)
cret@cert.org (vendor-advisory, x_refsource_FEDORA)
cret@cert.org (vendor-advisory, x_refsource_FEDORA)