[ GLSA 200506-06 ] libextractor: Multiple overflow vulnerabilities

[GLSA]

Gentoo Linux Security Advisory

Title: libextractor: Multiple overflow vulnerabilities (GLSA 200506-06)
Severity: normal
Exploitable: remote
Date: June 09, 2005
Bug(s): #79704
ID: 200506-06

Synopsis


libextractor is affected by several overflow vulnerabilities in the PDF,
Real and PNG extractors, making it vulnerable to execution of arbitrary
code.


Background


libextractor is a library used to extract meta-data from files. It
makes use of Xpdf code to extract information from PDF files.


Affected Packages

Package: media-libs/libextractor
Vulnerable: < 0.5.0
Unaffected: >= 0.5.0
Architectures: All supported architectures


Description


Xpdf is vulnerable to multiple overflows, as described in GLSA
200501-28. Also, integer overflows were discovered in Real and PNG
extractors.


Impact


An attacker could design malicious PDF, PNG or Real files which,
when processed by an application making use of libextractor, would
result in the execution of arbitrary code with the rights of the user
running the application.


Workaround


There is no known workaround at this time.


Resolution


All libextractor users should upgrade to the latest version: