National Vulnerability Database (NVD) National Vulnerability Database (CVE-2008-5396)

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Last updated: Sun Nov 22 12:44:18 EST 2009

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Vulnerability Summary for CVE-2008-5396

Original release date:12/09/2008

Last revised:05/14/2009

Source: US-CERT/NIST

Overview

Array index error in the (1) torisa.c and (2) dahdi/tor2.c drivers in Zaptel (aka DAHDI) 1.4.11 and earlier allows local users in the dialout group to overwrite an integer value in kernel memory by writing to /dev/zap/ctl, related to missing validation of the sync field associated with the ZT_SPANCONFIG ioctl.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:7.2 (HIGH) (AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)

Impact Subscore: 10.0

Exploitability Subscore: 3.9

CVSS Version 2 Metrics:

Access Vector: Locally exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: MLIST

Name: [oss-security] 20081203 CVE Request (zaptel)

Hyperlink:http://www.openwall.com/lists/oss-security/2008/12/03/10

External Source: SECUNIA

Name: 32960

Hyperlink:http://secunia.com/advisories/32960

External Source: SECUNIA

Name: 32947

Hyperlink:http://secunia.com/advisories/32947

External Source: CONFIRM

Name: http://bugs.digium.com/view.php?id=13954

Hyperlink:http://bugs.digium.com/view.php?id=13954