National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-2529 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://downloads.asterisk.org/pub/security/AST-2011-008.diff Patch
http://downloads.asterisk.org/pub/security/AST-2011-008.html Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
http://securitytracker.com/id?1025706
http://www.debian.org/security/2011/dsa-2276
http://www.securityfocus.com/bid/48431
https://exchange.xforce.ibmcloud.com/vulnerabilities/68203

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:digium:asterisk:1.6.0:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:beta1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:beta2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:beta3:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:beta4:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:beta5:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:beta6:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:beta7:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:beta7.1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:beta8:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:beta9:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:rc4:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:rc5:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0:rc6:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.1:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.2:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.3:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.3:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.4:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.5:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.6:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.7:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.8:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.9:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.10:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.11:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.11:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.11:rc2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.12:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.13:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.14:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.14:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.15:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.16:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.16:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.16:rc2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.17:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.18:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.18:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.18:rc2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.18:rc3:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.19:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.20:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.21:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.21:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.22:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.23:rc2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.24:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.25:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.0.26:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1:beta1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1:beta2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1:beta3:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1:beta4:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.0:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.0:rc2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.0:rc3:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.0:rc4:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.0:rc5:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.1:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.2:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.3:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.4:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.5:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.5:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.6:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.7:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.7:rc2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.8:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.9:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.10:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.10:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.10:rc2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.10:rc3:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.11:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.12:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.12:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.13:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.13:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.14:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.15:rc2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.16:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.17:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.18:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.18:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.18:rc2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.19:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.19:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.19:rc2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.19:rc3:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.20:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.20:rc1:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.20:rc2:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.21:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.22:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.23:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.1.24:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.2.0:*:*:*:*:*:*:*
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 cpe:2.3:a:digium:asterisk:1.6.2.0:rc2:*:*:*:*:*:*
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Configuration 2 ( hide )

Showing 100 of 162 CPEs, view all CPEs here.

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-2529
NVD Published Date:
07/06/2011
NVD Last Modified:
08/28/2017