CVE-2012-2948

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-06-02 · updated 2026-06-16
Weakness: CWE-399

Description

chan_skinny.c in the Skinny (aka SCCP) channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by closing a connection in off-hook mode.

Affected products

asterisk Certified Asterisk: 1.8.11-cert, 1.8.11-cert1
asterisk Open Source: 1.8.0, 1.8.0-beta1, 1.8.0-beta2, 1.8.0-beta3, 1.8.0-beta4, 1.8.0-beta5 (+62)
asterisk: through 1.8.12.0; through 10.4.0

References

http://archives.neohapsis.com/archives/bugtraq/2012-05/0145.html
http://downloads.asterisk.org/pub/security/AST-2012-008.html
http://secunia.com/advisories/49303
http://www.debian.org/security/2012/dsa-2493
http://www.securityfocus.com/bid/53723
http://www.securitytracker.com/id?1027103
https://exchange.xforce.ibmcloud.com/vulnerabilities/75937
http://archives.neohapsis.com/archives/bugtraq/2012-05/0145.html
http://downloads.asterisk.org/pub/security/AST-2012-008.html
http://secunia.com/advisories/49303
http://www.debian.org/security/2012/dsa-2493
http://www.securityfocus.com/bid/53723

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