Out-of-bounds Write Affecting asterisk package, versions <1:1.6.2.9-2+squeeze1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
3.81% (93rd percentile)

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  • Snyk IDSNYK-DEBIAN11-ASTERISK-530785
  • published20 Jan 2011
  • disclosed20 Jan 2011

Introduced: 20 Jan 2011

CVE-2011-0495  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:11 asterisk to version 1:1.6.2.9-2+squeeze1 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.

Stack-based buffer overflow in the ast_uri_encode function in main/utils.c in Asterisk Open Source before 1.4.38.1, 1.4.39.1, 1.6.1.21, 1.6.2.15.1, 1.6.2.16.1, 1.8.1.2, 1.8.2.; and Business Edition before C.3.6.2; when running in pedantic mode allows remote authenticated users to execute arbitrary code via crafted caller ID data in vectors involving the (1) SIP channel driver, (2) URIENCODE dialplan function, or (3) AGI dialplan function.

CVSS Scores

version 3.1