PT-2011-4835 · Digium · Asterisk Open Source

Ehsan Foroughi · Published 2011-10-21 · Updated 2018-10-09 · CVE-2011-4063

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Asterisk Open Source versions 1.8.x through 1.8.7.0 Asterisk Open Source versions 10.x through 10.0.0-rc0

Description The issue is related to the improper initialization of variables during request parsing in the SIP channel driver. This can be exploited by remote authenticated users to cause a denial of service, resulting in a daemon crash, via a malformed request.

Recommendations For Asterisk Open Source versions 1.8.x through 1.8.7.0, update to version 1.8.7.1 or later. For Asterisk Open Source versions 10.x through 10.0.0-rc0, update to version 10.0.0-rc1 or later.

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2011-4063

Affected Products

Asterisk Open Source

References · 12

• https://osv.dev/vulnerability/DEBIAN-CVE-2011-4063 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-4063 · Security Note
• https://osv.dev/vulnerability/CVE-2011-4063 · Vendor Advisory
• http://downloads.digium.com/pub/security/AST-2011-012.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-4063 · Vendor Advisory
• http://securityfocus.com/archive/1/520141/100/0/threaded · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4063 · Note
• http://securityreason.com/securityalert/8478 · Note
• http://securitytracker.com/id?1026191 · Note
• http://secunia.com/advisories/46420 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/70706 · Note
• http://securityfocus.com/bid/50177 · Note