Out-of-Bounds Affecting asterisk package, versions [,1.6.2.18)[1.8.4.0,1.8.4.3)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
26.93% (97th percentile)

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  • Snyk IDSNYK-UNMANAGED-ASTERISK-2371569
  • published26 Jan 2022
  • disclosed6 Jul 2011
  • creditUnknown

Introduced: 6 Jul 2011

CVE-2011-2529  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade asterisk to version 1.6.2.18, 1.8.4.3 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet.

CVSS Scores

version 3.1