Information Exposure Affecting asterisk package, versions <1:1.8.13.1~dfsg-2


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.59% (80th percentile)

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  • Snyk IDSNYK-DEBIAN11-ASTERISK-529137
  • published1 Apr 2013
  • disclosed1 Apr 2013

Introduced: 1 Apr 2013

CVE-2013-2264  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Debian:11 asterisk to version 1:1.8.13.1~dfsg-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream asterisk package and not the asterisk package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

The SIP channel driver in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; Asterisk Business Edition (BE) C.3.x before C.3.8.1; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones exhibits different behavior for invalid INVITE, SUBSCRIBE, and REGISTER transactions depending on whether the user account exists, which allows remote attackers to enumerate account names by (1) reading HTTP status codes, (2) reading additional text in a 403 (aka Forbidden) response, or (3) observing whether certain retransmissions occur.

CVSS Scores

version 3.1