Out-of-Bounds Affecting asterisk package, versions [,1.4.39.2)[1.6.1.0,1.6.1.22)[1.6.2.0,1.6.2.16)[1.8.2.0,1.8.2.4)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
90.14% (100th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-ASTERISK-2371556
  • published26 Jan 2022
  • disclosed15 Mar 2011
  • creditUnknown

Introduced: 15 Mar 2011

CVE-2011-1147  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade asterisk to version 1.4.39.2, 1.6.1.22, 1.6.2.16, 1.8.2.4 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds. Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in main/udptl.c in Asterisk Open Source 1.4.x before 1.4.39.2, 1.6.1.x before 1.6.1.22, 1.6.2.x before 1.6.2.16.2, and 1.8 before 1.8.2.4; Business Edition C.x.x before C.3.6.3; AsteriskNOW 1.5; and s800i (Asterisk Appliance), when T.38 support is enabled, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDPTL packet.

CVSS Base Scores

version 3.1