Buffer overflow in Digium Asterisk

CVE-2012-5977

Asterisk Open Source 1.8.x before 1.8.19.1, 10.x before 10.11.1, and 11.x before 11.1.2; Certified Asterisk 1.8.11 before 1.8.11-cert10; and Asterisk Digiumphones 10.x-digiumphones before 10.11.1-digiumphones, when anonymous calls are enabled, allow remote attackers to cause a denial of service (resource consumption) by making anonymous calls from multiple sources and consequently adding many entries to the device state cache.

Vulnerability class: Buffer Overflow

EPSS: 0.021 (79.8th percentile) — read the EPSS interpretation.

Affected products

Digium Asterisk — versions 1.8.0, 1.8.1, 1.8.1.1
Digium Certified_asterisk — versions 1.8.11
N/a — versions n/a

Weakness classification (CWE)

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

References

cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)