Access Restriction Bypass Affecting asterisk package, versions [,1.8.11)[1.8.15.0,1.8.15.1)[10.7.0,10.7.1)[10.7.0,10.7.1)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.8% (82nd percentile)

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  • Snyk IDSNYK-UNMANAGED-ASTERISK-2371534
  • published26 Jan 2022
  • disclosed31 Aug 2012
  • creditUnknown

Introduced: 31 Aug 2012

CVE-2012-4737  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade asterisk to version 1.8.11, 1.8.15.1, 10.7.1, 10.7.1 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass channels/chan_iax2.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 before 1.8.11-cert7, Asterisk Digiumphones 10.x.x-digiumphones before 10.7.1-digiumphones, and Asterisk Business Edition C.3.x before C.3.7.6 does not enforce ACL rules during certain uses of peer credentials, which allows remote authenticated users to bypass intended outbound-call restrictions by leveraging the availability of these credentials.

CVSS Scores

version 3.1