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Last updated: 10/30/2014 8:35:07 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-5377

Original release date: 10/11/2007
Last revised: 03/07/2011
Source: US-CERT/NIST

Overview

The (1) tramp-make-temp-file and (2) tramp-make-tramp-temp-file functions in Tramp 2.1.10 extension for Emacs, and possibly earlier 2.1.x versions, allows local users to overwrite arbitrary files via a symlink attack on temporary files.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.9 (MEDIUM) (AV:L/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
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 (10/17/2007)
Not vulnerable. Red Hat Enterprise Linux 2.1, 3, and 4 did not include the Tramp extension with Emacs. The version of Tramp included with Emacs in Red Hat Enterprise Linux 5 was not vulnerable to this issue.

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External Source: OSVDB
Name: 41752
External Source: SECUNIA
Name: 27244
External Source: MISC
Name: http://bugs.gentoo.org/show_bug.cgi?id=194713
External Source: MLIST
Name: [emacs-devel] 20071004 Re: temp file hole?
External Source: BID
Name: 26072
External Source: MLIST
Name: [emacs-devel] 20071003 temp file hole?
External Source: SECUNIA
Name: 27343
External Source: CONFIRM
Name: http://bugs.gentoo.org/show_bug.cgi?id=194713
External Source: GENTOO
Name: GLSA-200710-22

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