[ GLSA 200806-05 ] cbrPager: User-assisted execution of arbitrary code

[GLSA]

Gentoo Linux Security Advisory

Title: cbrPager: User-assisted execution of arbitrary code (GLSA 200806-05)
Severity: normal
Exploitable: remote
Date: June 16, 2008
Bug(s): #223657
ID: 200806-05

Synopsis


Insecure filename usage in cbrPager may allow for the remote execution of
arbitrary code.


Background


cbrPager is a comic book pager.


Affected Packages

Package: app-misc/cbrpager
Vulnerable: < 0.9.17
Unaffected: >= 0.9.17
Architectures: All supported architectures


Description


Mamoru Tasaka discovered that filenames of the image archives are not
properly sanitized before being passed to decompression utilities like
unrar and unzip, which use the system() libc library call.


Impact


A remote attacker could entice a user to open an archive with a
specially crafted filename, resulting in arbitrary code execution with
the privileges of the user running the application.


Workaround


There is no known workaround at this time.


Resolution


All cbrPager users should upgrade to the latest version: