Vulnerability in Asterisk

CVE-2008-3263

The IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (call-number exhaustion and CPU consumption) by quickly sending a large number of IAX2 (IAX) POKE requests.

EPSS: 0.280 (97.9th percentile) — read the EPSS interpretation.

Affected products

  • Asterisk — versions 0.1.0, 0.1.1, 0.1.2
  • N/a — versions n/a

Weakness classification (CWE)

References