PT-2011-2922 · Sangoma · Asterisk Open Source

Published 2011-03-31 · Updated 2017-08-17 · CVE-2011-1175

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Asterisk Open Source versions 1.6.1.x through 1.6.1.22 Asterisk Open Source versions 1.6.2.x through 1.6.2.17 Asterisk Open Source versions 1.8.x through 1.8.2

Description The issue allows remote attackers to cause a denial of service by establishing many short TCP sessions to services that use a certain TLS API, resulting in a NULL pointer dereference and daemon crash.

Recommendations For Asterisk Open Source versions 1.6.1.x through 1.6.1.22, update to version 1.6.1.23 or later. For Asterisk Open Source versions 1.6.2.x through 1.6.2.17, update to version 1.6.2.17.1 or later. For Asterisk Open Source versions 1.8.x through 1.8.2, update to version 1.8.3.1 or later.

Fix

Related Identifiers

CVE-2011-1175

DSA-2225-1

Affected Products

Asterisk Open Source

References · 18

• http://vupen.com/english/advisories/2011/0686 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-1175 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-1175 · Security Note
• http://debian.org/security/2011/dsa-2225 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2011-1175 · Vendor Advisory
• http://vupen.com/english/advisories/2011/0790 · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/057163.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2011-1175 · Vendor Advisory
• http://openwall.com/lists/oss-security/2011/03/21/12 · Patch
• http://downloads.asterisk.org/pub/security/AST-2011-004.html · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/057156.html · Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/66140 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=688678 · Note
• http://securitytracker.com/id?1025224 · Note
• http://openwall.com/lists/oss-security/2011/03/17/5 · Note