CVE-2011-2529
Summary
| CVE | CVE-2011-2529 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2011-07-06 19:55:03 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| 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. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Digium | Asterisk | 1.6.0 | All | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta1 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta2 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta3 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta4 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta5 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta6 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta7 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta7.1 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta8 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta9 | All | All |
| Application | Digium | Asterisk | 1.6.0 | rc4 | All | All |
| Application | Digium | Asterisk | 1.6.0 | rc5 | All | All |
| Application | Digium | Asterisk | 1.6.0 | rc6 | All | All |
| Application | Digium | Asterisk | 1.6.0.1 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.10 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.11 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.11 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.11 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.0.12 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.13 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.14 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.14 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.15 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.16 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.16 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.16 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.0.17 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.18 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.18 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.18 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.0.18 | rc3 | All | All |
| Application | Digium | Asterisk | 1.6.0.19 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.2 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.20 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.21 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.21 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.22 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.23 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.0.24 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.25 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.26 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.3 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.3 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.4 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.5 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.6 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.7 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.8 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.9 | All | All | All |
| Application | Digium | Asterisk | 1.6.1 | All | All | All |
| Application | Digium | Asterisk | 1.6.1 | beta1 | All | All |
| Application | Digium | Asterisk | 1.6.1 | beta2 | All | All |
| Application | Digium | Asterisk | 1.6.1 | beta3 | All | All |
| Application | Digium | Asterisk | 1.6.1 | beta4 | All | All |
| Application | Digium | Asterisk | 1.6.1 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.0 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.0 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.1.0 | rc3 | All | All |
| Application | Digium | Asterisk | 1.6.1.0 | rc4 | All | All |
| Application | Digium | Asterisk | 1.6.1.0 | rc5 | All | All |
| Application | Digium | Asterisk | 1.6.1.1 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.10 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.10 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.10 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.1.10 | rc3 | All | All |
| Application | Digium | Asterisk | 1.6.1.11 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.12 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.12 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.13 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.13 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.14 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.15 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.1.16 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.17 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.18 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.18 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.18 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.1.19 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.19 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.19 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.1.19 | rc3 | All | All |
| Application | Digium | Asterisk | 1.6.1.2 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.20 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.20 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.20 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.1.21 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.22 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.23 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.24 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.3 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.4 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.5 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.5 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.6 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.7 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.7 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.1.8 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.9 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.0 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.0 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.2.0 | rc3 | All | All |
| Application | Digium | Asterisk | 1.6.2.0 | rc4 | All | All |
| Application | Digium | Asterisk | 1.6.2.0 | rc5 | All | All |
| Application | Digium | Asterisk | 1.6.2.0 | rc6 | All | All |
| Application | Digium | Asterisk | 1.6.2.0 | rc7 | All | All |
| Application | Digium | Asterisk | 1.6.2.0 | rc8 | All | All |
| Application | Digium | Asterisk | 1.6.2.1 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.1 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.2.15 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.2.16 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.16 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.2.16.1 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.16.2 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.17 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.17 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.2.17 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.2.17 | rc3 | All | All |
| Application | Digium | Asterisk | 1.6.2.17.1 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.17.2 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.17.3 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.18 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.18 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.2.2 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.3 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.2.4 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.5 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.6 | All | All | All |
| Application | Digium | Asterisk | 1.6.2.6 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.2.6 | rc2 | All | All |
| Application | Digium | Asterisk | 1.8.0 | All | All | All |
| Application | Digium | Asterisk | 1.8.0 | beta1 | All | All |
| Application | Digium | Asterisk | 1.8.0 | beta2 | All | All |
| Application | Digium | Asterisk | 1.8.0 | beta3 | All | All |
| Application | Digium | Asterisk | 1.8.0 | beta4 | All | All |
| Application | Digium | Asterisk | 1.8.0 | beta5 | All | All |
| Application | Digium | Asterisk | 1.8.0 | rc2 | All | All |
| Application | Digium | Asterisk | 1.8.0 | rc3 | All | All |
| Application | Digium | Asterisk | 1.8.0 | rc4 | All | All |
| Application | Digium | Asterisk | 1.8.0 | rc5 | All | All |
| Application | Digium | Asterisk | 1.8.1 | All | All | All |
| Application | Digium | Asterisk | 1.8.1 | rc1 | All | All |
| Application | Digium | Asterisk | 1.8.1.1 | All | All | All |
| Application | Digium | Asterisk | 1.8.1.2 | All | All | All |
| Application | Digium | Asterisk | 1.8.2 | All | All | All |
| Application | Digium | Asterisk | 1.8.2.1 | All | All | All |
| Application | Digium | Asterisk | 1.8.2.2 | All | All | All |
| Application | Digium | Asterisk | 1.8.2.3 | All | All | All |
| Application | Digium | Asterisk | 1.8.2.4 | All | All | All |
| Application | Digium | Asterisk | 1.8.3 | All | All | All |
| Application | Digium | Asterisk | 1.8.3 | rc1 | All | All |
| Application | Digium | Asterisk | 1.8.3 | rc2 | All | All |
| Application | Digium | Asterisk | 1.8.3 | rc3 | All | All |
| Application | Digium | Asterisk | 1.8.3.1 | All | All | All |
| Application | Digium | Asterisk | 1.8.3.2 | All | All | All |
| Application | Digium | Asterisk | 1.8.3.3 | All | All | All |
| Application | Digium | Asterisk | 1.8.4 | All | All | All |
| Application | Digium | Asterisk | 1.8.4 | rc1 | All | All |
| Application | Digium | Asterisk | 1.8.4 | rc2 | All | All |
| Application | Digium | Asterisk | 1.8.4 | rc3 | All | All |
| Application | Digium | Asterisk | 1.8.4.1 | All | All | All |
| Application | Digium | Asterisk | 1.8.4.2 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| downloads.asterisk.org/pub/security/AST-2011-008.diff | af854a3a-2127-422b-91ae-364da2661108 | downloads.asterisk.org | Patch |
| Asterisk Multiple Remote Denial of Service Vulnerabilities | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| www.osvdb.org/73307 | af854a3a-2127-422b-91ae-364da2661108 | www.osvdb.org | |
| SecurityTracker: Asterisk SIP Channel Driver Null Character Bug Lets Remote Users Deny Service | af854a3a-2127-422b-91ae-364da2661108 | securitytracker.com | |
| Fedora update for asterisk - Secunia.com | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Debian -- Security Information -- DSA-2276-1 asterisk | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| [SECURITY] Fedora 14 Update: asterisk-1.6.2.19-1.fc14 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| IBM X-Force Exchange | af854a3a-2127-422b-91ae-364da2661108 | exchange.xforce.ibmcloud.com | |
| Asterisk Multiple Denial of Service Vulnerabilities - Secunia.com | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| AST-2011-008 | af854a3a-2127-422b-91ae-364da2661108 | downloads.asterisk.org | Vendor Advisory |
| Debian update for asterisk - Secunia.com | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.