National Vulnerability Database (NVD)National Vulnerability Database (CVE-2006-6939)

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Last updated: Mon Feb 16 00:19:05 EST 2009

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NIST Security Configuration Checklists - CSD

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Vulnerability Summary for CVE-2006-6939

Original release date:01/17/2007

Last revised:09/05/2008

Source: US-CERT/NIST

Static Link: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2006-6939

Overview

GNU ed before 0.3 allows local users to overwrite arbitrary files via a symlink attack on temporary files, possibly in the open_sbuf function.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:4.6 (MEDIUM) (AV:L/AC:L/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 3.9

CVSS Version 2 Metrics:

Access Vector: Locally exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statments (disclaimer)

Official Statement from Red Hat (01/18/2007): Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=223072 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.

References to Advisories, Solutions, and Tools

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External Source: FRSIRT

Name: ADV-2006-4573

Type: Advisory; Patch Information

Hyperlink:http://www.frsirt.com/english/advisories/2006/4573

External Source: XF

Name: gnued-opensbuf-symlink(30374)

Hyperlink:http://xforce.iss.net/xforce/xfdb/30374

External Source: CONFIRM

Name: http://freshmeat.net/projects/ed/?branch_id=17855&release_id=240890

Hyperlink:http://freshmeat.net/projects/ed/?branch_id=17855&release_id=240890

External Source: CONFIRM

Name: https://issues.rpath.com/browse/RPL-962