GLSA Advocate
Joined: 12 May 2004 Posts: 2663
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Posted: Sun Dec 14, 2008 1:26 am Post subject: [ GLSA 200812-14 ] aview: Insecure temporary file usage |
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Gentoo Linux Security Advisory
Title: aview: Insecure temporary file usage (GLSA 200812-14)
Severity: normal
Exploitable: local
Date: December 14, 2008
Bug(s): #235808
ID: 200812-14
Synopsis
An insecure temporary file usage has been reported in aview, leading to symlink attacks.
Background
aview is an ASCII image viewer and animation player.
Affected Packages
Package: media-gfx/aview
Vulnerable: < 1.3.0_rc1-r1
Unaffected: >= 1.3.0_rc1-r1
Architectures: All supported architectures
Description
Dmitry E. Oboukhov reported that aview uses the "/tmp/aview$$.pgm" file in an insecure manner when processing files.
Impact
A local attacker could perform symlink attacks to overwrite arbitrary files on the system with the privileges of the user running the application.
Workaround
There is no known workaround at this time.
Resolution
All aview users should upgrade to the latest version: Code: | # emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/aview-1.3.0_rc1-r1" |
References
CVE-2008-4935 |
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