PT-2009-5047 · Digium · Asterisk Open Source

Marcus Hunger · Published 2009-07-30 · Updated 2017-08-17 · CVE-2009-2651

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 version 1.6.1

Description The issue allows remote attackers to cause a denial of service, resulting in a crash. This occurs when an RTP text frame without a certain delimiter is sent, triggering a NULL pointer dereference and the subsequent calculation of an invalid pointer.

Recommendations For Asterisk Open Source version 1.6.1, update to version 1.6.1.2 to resolve the issue.

Exploit

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2009-2651

Affected Products

Asterisk Open Source

References · 13

• 🔥 http://downloads.digium.com/pub/security/AST-2009-004-1.6.1.diff.txt · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2009-2651 · Security Note
• https://osv.dev/vulnerability/CVE-2009-2651 · Vendor Advisory
• http://secunia.com/advisories/36039 · Vendor Advisory
• http://vupen.com/english/advisories/2009/2067 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2009-2651 · Vendor Advisory
• http://downloads.asterisk.org/pub/security/AST-2009-004.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2009-2651 · Vendor Advisory
• http://securitytracker.com/id?1022608 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2651 · Note
• http://osvdb.org/56571 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/52046 · Note
• http://securityfocus.com/bid/35837 · Note