Information Exposure Affecting asterisk package, versions [,1.8.15)[1.8.20.0,1.8.20.2)[10.12.0,10.12.2)[10.12.0,10.12.2)[11.2.0,11.2.2)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
29.77% (97th percentile)

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  • Snyk IDSNYK-UNMANAGED-ASTERISK-2371611
  • published26 Jan 2022
  • disclosed1 Apr 2013
  • creditUnknown

Introduced: 1 Apr 2013

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

How to fix?

Upgrade asterisk to version 1.8.15, 1.8.20.2, 10.12.2, 10.12.2, 11.2.2 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. 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