National Vulnerability Database (NVD) National Vulnerability Database (CVE-2007-3508)

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Last updated: Tue Aug 25 14:45:17 EDT 2009

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Vulnerability Summary for CVE-2007-3508

Original release date:07/03/2007

Last revised:09/05/2008

Source: US-CERT/NIST

Overview

** DISPUTED ** Integer overflow in the process_envvars function in elf/rtld.c in glibc before 2.5-rc4 might allow local users to execute arbitrary code via a large LD_HWCAP_MASK environment variable value. NOTE: the glibc maintainers state that they do not believe that this issue is exploitable for code execution.

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:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statments (disclaimer)

Official Statement from Red Hat (07/05/2007): After careful analysis by Red Hat and several Glibc developers, it has been determined that this bug is not exploitable. For more information please see Red Hat Bugzilla bug #247208 https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=247208
Official Statement from Mandriva (09/17/2007): Based on the analysis of Red Hat and several Glibc developers, Mandriva does not believe this to be exploitable.

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External Source: XF

Name: glibc-envvars-privilege-escalation(35240)

Hyperlink:http://xforce.iss.net/xforce/xfdb/35240

External Source: MLIST

Name: [libc-hacker] [PATCH] Fix LD_HWCAP_MASK handling

Hyperlink:http://www.sourceware.org/ml/libc-hacker/2007-07/msg00001.html

External Source: SECTRACK

Name: 1018334

Hyperlink:http://www.securitytracker.com/id?1018334

External Source: BID

Name: 24758

Hyperlink:http://www.securityfocus.com/bid/24758