pdftohtml: Vulnerabilities in included Xpdf

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200411-30 / pdftohtml
Release Date	November 23, 2004
Latest Revision	November 23, 2004: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
app-text/pdftohtml	<= 0.36	>= 0.36-r1	All supported architectures

Related bugreports: #69019

Synopsis

pdftohtml includes vulnerable Xpdf code to handle PDF files, making it vulnerable to execution of arbitrary code upon converting a malicious PDF file.

2. Impact Information

Background

pdftohtml is a utility to convert PDF files to HTML or XML formats. It makes use of Xpdf code to decode PDF files.

Description

Xpdf is vulnerable to multiple integer overflows, as described in GLSA 200410-20.

Impact

An attacker could entice a user to convert a specially-crafted PDF file, potentially resulting in execution of arbitrary code with the rights of the user running pdftohtml.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All pdftohtml users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/pdftohtml-0.36-r1"

4. References

Page updated November 23, 2004

Summary: This is a Gentoo Linux Security Advisory

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