CVE-2014-4045

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-06-17 · updated 2026-06-17
Weakness: CWE-189

Description

The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x before 12.3.1, when sub_min_expiry is set to zero, allows remote attackers to cause a denial of service (assertion failure and crash) via an unsubscribe request when not subscribed to the device.

Affected products

Digium Asterisk: 12.0.0, 12.1.0, 12.1.0-rc1, 12.1.0-rc2, 12.1.0-rc3, 12.1.1 (+7)

References

http://downloads.asterisk.org/pub/security/AST-2014-005.html
http://packetstormsecurity.com/files/127087/Asterisk-Project-Security-Advisory-AST-2014-005.html
http://www.securityfocus.com/archive/1/532414/100/0/threaded
http://downloads.asterisk.org/pub/security/AST-2014-005.html
http://packetstormsecurity.com/files/127087/Asterisk-Project-Security-Advisory-AST-2014-005.html
http://www.securityfocus.com/archive/1/532414/100/0/threaded

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