Buffer overflow in Quagga

CVE-2011-3323

The OSPFv3 implementation in ospf6d in Quagga before 0.99.19 allows remote attackers to cause a denial of service (out-of-bounds memory access and daemon crash) via a Link State Update message with an invalid IPv6 prefix length.

Vulnerability class: Buffer Overflow

EPSS: 0.047 (90.8th 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 (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 (vendor-advisory, x_refsource_GENTOO)