National Vulnerability Database (NVD) National Vulnerability Database (CVE-2009-4135)

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Vulnerability Summary for CVE-2009-4135

Original release date:12/11/2009

Last revised:12/31/2009

Source: US-CERT/NIST

Overview

The distcheck rule in dist-check.mk in GNU coreutils 5.2.1 through 8.1 allows local users to gain privileges via a symlink attack on a file in a directory tree under /tmp.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:4.4 (MEDIUM) (AV:L/AC:M/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 3.4

CVSS Version 2 Metrics:

Access Vector: Locally exploitable

Access Complexity: Medium

Authentication: Not required to exploit

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

Vendor Statements (disclaimer)

Official Statement from Red Hat (02/26/2010)

This issue does not affect users using coreutils binary RPMs, or rebuilding source RPMs. Therefore, we do not plan to release updates addressing this flaw on Red Hat Enterprise Linux 3, 4 and 5. For additional details, refer to the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-4135

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=545439

Type: Patch Information

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=545439

External Source: MLIST

Name: [bug-coreutils] 20091209 [PATCH] doc: NEWS: mention the "make distcheck" vulnerability

Type: Patch Information

Hyperlink:http://www.mail-archive.com/bug-coreutils@gnu.org/msg18787.html

External Source: MLIST

Name: [bug-coreutils] 20091208 Re: build: distcheck: do not leave a $TMPDIR/coreutils directory behind

Type: Patch Information

Hyperlink:http://www.mail-archive.com/bug-coreutils@gnu.org/msg18779.html