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Last updated: 12/18/2014 11:38:54 PM

CVE Publication rate: 20.3

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Vulnerability Workload Index: 8.66
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Vulnerability Summary for CVE-2013-7100

Original release date: 12/19/2013
Last revised: 02/21/2014
Source: US-CERT/NIST

Overview

Buffer overflow in the unpacksms16 function in apps/app_sms.c in Asterisk Open Source 1.8.x before 1.8.24.1, 10.x before 10.12.4, and 11.x before 11.6.1; Asterisk with Digiumphones 10.x-digiumphones before 10.12.4-digiumphones; and Certified Asterisk 1.8.x before 1.8.15-cert4 and 11.x before 11.2-cert3 allows remote attackers to cause a denial of service (daemon crash) via a 16-bit SMS message with an odd number of bytes, which triggers an infinite loop.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: BUGTRAQ
Name: 20131216 AST-2013-006: Buffer Overflow when receiving odd length 16 bit SMS message
External Source: SECUNIA
Name: 56294
External Source: MANDRIVA
Name: MDVSA-2013:300
External Source: XF
Name: asterisk-sms-message-dos(89825)
External Source: SECTRACK
Name: 1029499
External Source: CONFIRM
Name: http://downloads.asterisk.org/pub/security/AST-2013-006.html
Type: Advisory; Patch Information
External Source: OSVDB
Name: 101100
External Source: CONFIRM
Name: https://issues.asterisk.org/jira/browse/ASTERISK-22590
Type: Patch Information; Exploit
External Source: DEBIAN
Name: DSA-2835

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:digium:asterisk_digiumphones:10.0.0
* cpe:/a:digium:asterisk_digiumphones:10.0.0:rc1
* cpe:/a:digium:asterisk_digiumphones:10.0.0:rc2
* cpe:/a:digium:asterisk_digiumphones:10.11.0:rc1
* cpe:/a:digium:asterisk_digiumphones:10.11.0:rc2
* cpe:/a:digium:asterisk_digiumphones:10.11.0:rc3
* cpe:/a:digium:asterisk_digiumphones:10.11.0
* cpe:/a:digium:asterisk_digiumphones:10.12.0:rc1
* cpe:/a:digium:asterisk_digiumphones:10.12.0:rc2
* cpe:/a:digium:asterisk_digiumphones:10.12.0
* cpe:/a:digium:asterisk_digiumphones:10.12.1
* cpe:/a:digium:asterisk_digiumphones:10.12.2
* cpe:/a:digium:asterisk:10.12.2
* cpe:/a:digium:asterisk:10.12.1
* cpe:/a:digium:asterisk:10.12.0
* cpe:/a:digium:asterisk:10.12.0:rc2
* cpe:/a:digium:asterisk:10.12.0:rc1
* cpe:/a:digium:asterisk:10.11.0:rc3
* cpe:/a:digium:asterisk:10.11.0:rc2
* cpe:/a:digium:asterisk:10.11.0:rc1
* cpe:/a:digium:asterisk:10.11.0
* cpe:/a:digium:asterisk:10.10.0
* cpe:/a:digium:asterisk:10.10.0:rc2
* cpe:/a:digium:asterisk:10.10.0:rc1
* cpe:/a:digium:certified_asterisk:11.2.0
* cpe:/a:digium:certified_asterisk:11.2.0:rc1
* cpe:/a:digium:certified_asterisk:11.2.0:rc2
* cpe:/a:digium:certified_asterisk:11.2.0:cert1
* cpe:/a:digium:certified_asterisk:1.8.15
* cpe:/a:digium:certified_asterisk:1.8.15:rc1
* cpe:/a:digium:certified_asterisk:1.8.15:cert1-rc1
* cpe:/a:digium:certified_asterisk:1.8.15:cert1-rc2
* cpe:/a:digium:certified_asterisk:1.8.15:cert1
* cpe:/a:digium:certified_asterisk:1.8.15:cert1-rc3
* cpe:/a:digium:certified_asterisk:1.8.15:cert2
* cpe:/a:digium:asterisk:11.2.0:rc2
* cpe:/a:digium:asterisk:11.3.0:rc1
* cpe:/a:digium:asterisk:11.3.0:rc2
* cpe:/a:digium:asterisk:11.4.0
* cpe:/a:digium:asterisk:11.4.0:rc1
* cpe:/a:digium:asterisk:11.4.0:rc2
* cpe:/a:digium:asterisk:11.4.0:rc3
* cpe:/a:digium:asterisk:11.5.0:rc1
* cpe:/a:digium:asterisk:11.5.0:rc2
* cpe:/a:digium:asterisk:11.5.0
* cpe:/a:digium:asterisk:11.5.1
* cpe:/a:digium:asterisk:11.0.0
* cpe:/a:digium:asterisk:11.0.0:beta1
* cpe:/a:digium:asterisk:11.0.0:beta2
* cpe:/a:digium:asterisk:11.0.0:rc1
* cpe:/a:digium:asterisk:11.0.0:rc2
* cpe:/a:digium:asterisk:11.0.1
* cpe:/a:digium:asterisk:11.0.2
* cpe:/a:digium:asterisk:11.1.0
* cpe:/a:digium:asterisk:11.1.0:rc1
* cpe:/a:digium:asterisk:11.1.0:rc3
* cpe:/a:digium:asterisk:11.1.1
* cpe:/a:digium:asterisk:11.1.2
* cpe:/a:digium:asterisk:11.2.0:rc1
* cpe:/a:digium:asterisk:1.8.23.0
* cpe:/a:digium:asterisk:1.8.23.0:rc2
* cpe:/a:digium:asterisk:1.8.23.0:rc1
* cpe:/a:digium:asterisk:1.8.20.0:rc1
* cpe:/a:digium:asterisk:1.8.20.0:rc2
* cpe:/a:digium:asterisk:1.8.20.0
* cpe:/a:digium:asterisk:1.8.21.0:rc1
* cpe:/a:digium:asterisk:1.8.21.0:rc2
* cpe:/a:digium:asterisk:1.8.22.0:rc1
* cpe:/a:digium:asterisk:1.8.22.0:rc2
* cpe:/a:digium:asterisk:1.8.22.0
* cpe:/a:digium:asterisk:1.8.17.0
* cpe:/a:digium:asterisk:1.8.17.0:rc1
* cpe:/a:digium:asterisk:1.8.17.0:rc2
* cpe:/a:digium:asterisk:1.8.17.0:rc3
* cpe:/a:digium:asterisk:1.8.18.0
* cpe:/a:digium:asterisk:1.8.18.0:rc1
* cpe:/a:digium:asterisk:1.8.18.1
* cpe:/a:digium:asterisk:1.8.19.0
* cpe:/a:digium:asterisk:1.8.19.0:rc1
* cpe:/a:digium:asterisk:1.8.19.0:rc3
* cpe:/a:digium:asterisk:1.8.19.1

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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