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[ GLSA 200812-14 ] aview: Insecure temporary file usage
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PostPosted: Sun Dec 14, 2008 1:26 am    Post subject: [ GLSA 200812-14 ] aview: Insecure temporary file usage Reply with quote

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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