PT-2012-4386 · Digium · Asterisk

Christoph Hebeisen · Published 2012-06-02 · Updated 2024-08-15 · CVE-2012-2948

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Asterisk Open Source versions 1.8.x through 1.8.12.0 Asterisk Open Source versions 10.x through 10.4.0 Certified Asterisk versions 1.8.11-cert through 1.8.11-cert1

Description The issue allows remote authenticated users to cause a denial of service, resulting in a NULL pointer dereference and daemon crash, by closing a connection in off-hook mode. This is due to a problem in the chan skinny.c file within the Skinny channel driver.

Recommendations For Asterisk Open Source versions 1.8.x through 1.8.12.0, update to version 1.8.12.1 or later. For Asterisk Open Source versions 10.x through 10.4.0, update to version 10.4.1 or later. For Certified Asterisk versions 1.8.11-cert through 1.8.11-cert1, update to version 1.8.11-cert2 or later.

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2012-2948

DSA-2493-1

Affected Products

Asterisk

References · 13

• https://osv.dev/vulnerability/CVE-2012-2948 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2012-2948 · Vendor Advisory
• http://debian.org/security/2012/dsa-2493 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2012-2948 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-2948 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/75937 · Note
• http://archives.neohapsis.com/archives/bugtraq/2012-05/0145.html · Note
• https://t.me/cvenotify/90701 · Telegram Post
• http://downloads.asterisk.org/pub/security/AST-2012-008.html · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2948 · Note
• http://securitytracker.com/id?1027103 · Note
• http://securityfocus.com/bid/53723 · Note
• http://secunia.com/advisories/49303 · Note