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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200501-28] Xpdf, GPdf: Stack overflow in Decrypt::makeFileKey2


Vulnerability Assessment Details

[GLSA-200501-28] Xpdf, GPdf: Stack overflow in Decrypt::makeFileKey2

Vulnerability Assessment Summary
Xpdf, GPdf: Stack overflow in Decrypt::makeFileKey2

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200501-28
(Xpdf, GPdf: Stack overflow in Decrypt::makeFileKey2)


iDEFENSE reports that the Decrypt::makeFileKey2 function in Xpdf's
Decrypt.cc insufficiently checks boundaries when processing /Encrypt
/Length tags in PDF files.

Impact

A possible hacker could entice an user to open a specially-crafted PDF
file which would trigger a stack overflow, potentially resulting in
execution of arbitrary code with the rights of the user running Xpdf or
GPdf.

Workaround

There is no known workaround at this time.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0064
http://www.idefense.com/application/poi/display?id=186&type=vulnerabilities&flashstatus=true


Solution:
All Xpdf users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/xpdf-3.00-r8"
All GPdf users should also upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/gpdf-2.8.2"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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