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Vulnerability record · CVE-2012-2416 · published 30 April 2012

CVE-2012-2416: Asterisk open source memory buffer overflow vulnerability

Asterisk · Open Source

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.11.1 and 10.x before 10.3.1 and Asterisk Business Edition C.3.x before C.3.7.4, when the trustrpid option is enabled, allows remote authenticated users to cause a denial of service (daemon crash) by sending a SIP UPDATE message that triggers a connected-line update attempt without an associated channel.

6.5 CVSS 2.0 Medium EPSS 2.2% · top 18.4% CWE-119 · Memory buffer overflow
6.5CVSS 2.0 base score
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.11.1 and 10.x before 10.3.1 and Asterisk Business Edition C.3.x before C.3.7.4, when the trustrpid option is enabled, allows remote authenticated users to cause a denial of service (daemon crash) by sending a SIP UPDATE message that triggers a connected-line update attempt without an associated channel.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://downloads.asterisk.org/pub/security/AST-2012-006.html PatchVendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079759.html
http://osvdb.org/81456
http://secunia.com/advisories/48891
http://www.securityfocus.com/bid/53205
http://www.securitytracker.com/id?1026963
https://exchange.xforce.ibmcloud.com/vulnerabilities/75101
https://issues.asterisk.org/jira/browse/ASTERISK-19770
http://downloads.asterisk.org/pub/security/AST-2012-006.html PatchVendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079759.html
http://osvdb.org/81456
http://secunia.com/advisories/48891
http://www.securityfocus.com/bid/53205
http://www.securitytracker.com/id?1026963
https://exchange.xforce.ibmcloud.com/vulnerabilities/75101
https://issues.asterisk.org/jira/browse/ASTERISK-19770

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.0CVE-2012-2186Asterisk open source vulnerabilityIncomplete blacklist vulnerability in main/manager.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 …EPSS 3.6%8.8CVE-2008-1332Asterisk permissions and access controls vulnerabilityUnspecified vulnerability in Asterisk Open Source 1.2.x before 1.2.27, 1.4.x before 1.4.18.1 and 1.4.19-rc3; Business Edition A.x.x, B.x.x before B.2…EPSS 2.3%7.8CVE-2009-2346Asterisk memory buffer overflow vulnerabilityThe IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.…EPSS 2.6%7.8CVE-2008-3264Asterisk appliance developer kit improper authentication vulnerabilityThe FWDOWNL firmware-download implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B…EPSS 3.4%7.5CVE-2013-2685Asterisk open source memory buffer overflow vulnerabilityStack-based buffer overflow in res/res_format_attr_h264.c in Asterisk Open Source 11.x before 11.2.2 allows remote attackers to execute arbitrary cod…EPSS 2.6%7.5CVE-2008-1289Asterisk appliance developer kit memory buffer overflow vulnerabilityMultiple buffer overflows in Asterisk Open Source 1.4.x before 1.4.18.1 and 1.4.19-rc3, Open Source 1.6.x before 1.6.0-beta6, Business Edition C.x.x …EPSS 12%7.1CVE-2008-1923Asterisk appliance developer kit vulnerabilityThe IAX2 channel driver (chan_iax2) in Asterisk 1.2 before revision 72630 and 1.4 before revision 65679, when configured to allow unauthenticated cal…EPSS 1.4%6.8CVE-2011-4063Asterisk open source improper input validation vulnerabilitychan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables d…EPSS 2.4%

Source: NIST National Vulnerability Database (record CVE-2012-2416), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.