CWE
20
Advisory Published
Updated

CVE-2011-0764: Input Validation

First published: Thu Mar 31 2011(Updated: )

t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, uses an invalid pointer in conjunction with a dereference operation, which allows remote attackers to execute arbitrary code via a crafted Type 1 font in a PDF document, as demonstrated by testz.2184122398.pdf.

Credit: cret@cert.org

Affected SoftwareAffected VersionHow to fix
CentOS T1lib<=5.1.2
CentOS T1lib=0.1-alpha
CentOS T1lib=0.2-beta
CentOS T1lib=0.3-beta
CentOS T1lib=0.4-beta
CentOS T1lib=0.5-beta
CentOS T1lib=0.6-beta
CentOS T1lib=0.7-beta
CentOS T1lib=0.8-beta
CentOS T1lib=0.9
CentOS T1lib=0.9.1
CentOS T1lib=0.9.2
CentOS T1lib=1.0
CentOS T1lib=1.0.1
CentOS T1lib=1.1.0
CentOS T1lib=1.1.1
CentOS T1lib=1.2
CentOS T1lib=1.3
CentOS T1lib=1.3.1
CentOS T1lib=5.0.0
CentOS T1lib=5.0.1
CentOS T1lib=5.0.2
CentOS T1lib=5.1.0
CentOS T1lib=5.1.1
Xpdf=0.5a
Xpdf=0.7a
Xpdf=0.91a
Xpdf=0.91b
Xpdf=0.91c
Xpdf=0.92a
Xpdf=0.92b
Xpdf=0.92c
Xpdf=0.92d
Xpdf=0.92e
Xpdf=0.93a
Xpdf=0.93b
Xpdf=0.93c
Xpdf=1.00a
Xpdf=3.0.1
Xpdf=3.02pl1
Xpdf=3.02pl2
Xpdf=3.02pl3
Xpdf=3.02pl4
Glyph & Cog XpdfReader<=3.02
Glyph & Cog XpdfReader=0.2
Glyph & Cog XpdfReader=0.3
Glyph & Cog XpdfReader=0.4
Glyph & Cog XpdfReader=0.5
Glyph & Cog XpdfReader=0.6
Glyph & Cog XpdfReader=0.7
Glyph & Cog XpdfReader=0.80
Glyph & Cog XpdfReader=0.90
Glyph & Cog XpdfReader=0.91
Glyph & Cog XpdfReader=0.92
Glyph & Cog XpdfReader=0.93
Glyph & Cog XpdfReader=1.00
Glyph & Cog XpdfReader=1.01
Glyph & Cog XpdfReader=2.00
Glyph & Cog XpdfReader=2.01
Glyph & Cog XpdfReader=2.02
Glyph & Cog XpdfReader=2.03
Glyph & Cog XpdfReader=3.00
Glyph & Cog XpdfReader=3.01
Glyph & Cog XpdfReader=3.02

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Frequently Asked Questions

  • What is the severity of CVE-2011-0764?

    CVE-2011-0764 has a high severity rating due to its potential for remote code execution via crafted PDF documents.

  • How do I fix CVE-2011-0764?

    To fix CVE-2011-0764, users should upgrade to a patched version of t1lib or any affected software that addresses this vulnerability.

  • Which versions of t1lib are affected by CVE-2011-0764?

    CVE-2011-0764 affects t1lib versions 5.1.2 and earlier.

  • Can CVE-2011-0764 be exploited remotely?

    Yes, CVE-2011-0764 can be exploited remotely by attacking systems that process specifically crafted PDF files with vulnerable t1lib versions.

  • What are the potential consequences of CVE-2011-0764?

    The consequences of CVE-2011-0764 include unauthorized arbitrary code execution, which could lead to system compromise.

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