Unrated severityNVD Advisory· Published Jul 6, 2011· Updated Apr 29, 2026

CVE-2011-2529

Description

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet.

Affected products

162

Digium/Asterisk162 versions
cpe:2.3:a:digium:asterisk:1.6.0:*:*:*:*:*:*:*+ 161 more
- cpe:2.3:a:digium:asterisk:1.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.11:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.11:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.14:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.16:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.16:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.18:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.18:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.18:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.19:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.20:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.21:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.21:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.22:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.23:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.24:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.25:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.26:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.3:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.4:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:beta6:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:beta7:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:beta7.1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:beta8:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:beta9:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.0:rc6:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.10:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.10:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.10:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.10:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.11:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.12:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.12:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.13:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.13:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.14:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.15:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.16:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.17:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.18:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.18:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.18:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.19:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.19:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.19:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.19:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.20:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.20:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.20:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.21:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.22:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.23:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.24:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.3:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.5:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.7:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.7:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.8:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1.9:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1:beta1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1:beta2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1:beta3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1:beta4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc6:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc7:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc8:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.15:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.18:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.18:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.3:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.6:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.6:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:rc3:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

downloads.asterisk.org/pub/security/AST-2011-008.diffnvdPatch
downloads.asterisk.org/pub/security/AST-2011-008.htmlnvdVendor Advisory
secunia.com/advisories/45048nvdVendor Advisory
lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.htmlnvd
secunia.com/advisories/45201nvd
secunia.com/advisories/45239nvd
securitytracker.com/idnvd
www.debian.org/security/2011/dsa-2276nvd
www.osvdb.org/73307nvd
www.securityfocus.com/bid/48431nvd
exchange.xforce.ibmcloud.com/vulnerabilities/68203nvd

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.003
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000