PT-2011-5004 · Digium · Asterisk Open Source

Kristijan Vrban · Published 2011-12-15 · Updated 2012-09-01 · CVE-2011-4598

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Asterisk Open Source versions 1.6.2.x through 1.6.2.20 Asterisk Open Source versions 1.8.x through 1.8.7.1

Description The issue allows remote attackers to cause a denial of service, resulting in a daemon crash, by sending a crafted sequence of SIP requests when automon is enabled. This is due to a NULL pointer dereference in the handle request info function.

Recommendations For Asterisk Open Source versions 1.6.2.x through 1.6.2.20, update to version 1.6.2.21 or later. For Asterisk Open Source versions 1.8.x through 1.8.7.1, update to version 1.8.7.2 or later.

Fix

DoS

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2011-4598

DSA-2367-1

Affected Products

Asterisk Open Source

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2011-4598 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2011-4598 · Vendor Advisory
• http://debian.org/security/2011/dsa-2367 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2011-4598 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2011-4598 · Vendor Advisory
• http://osvdb.org/77598 · Note
• http://openwall.com/lists/oss-security/2011/12/09/4 · Note
• http://secunia.com/advisories/47273 · Note
• http://downloads.asterisk.org/pub/security/AST-2011-014.html · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4598 · Note
• http://openwall.com/lists/oss-security/2011/12/09/3 · Note