medium
4.3
CWE
399 416
Advisory Published
Updated

CVE-2011-1553: Use After Free

First published: Thu Mar 31 2011(Updated: )

Use-after-free vulnerability in t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, allows remote attackers to cause a denial of service (application crash) via a PDF document containing a crafted Type 1 font that triggers an invalid memory write, a different vulnerability than CVE-2011-0764.

Credit: cve@mitre.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

Remedy

http://www.foolabs.com/xpdf/download.html

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-1553?

    CVE-2011-1553 has a severity rating that indicates it can lead to denial of service through application crashes.

  • How do I fix CVE-2011-1553?

    To fix CVE-2011-1553, upgrade to a patched version of T1lib that's later than 5.1.2 or apply vendor-recommended mitigations.

  • What products are affected by CVE-2011-1553?

    CVE-2011-1553 affects T1lib versions 5.1.2 and earlier, as well as Xpdf versions up to 3.02pl5.

  • What does the CVE-2011-1553 vulnerability exploit?

    CVE-2011-1553 exploits a use-after-free condition caused by crafted Type 1 fonts in PDF documents.

  • Can CVE-2011-1553 lead to remote attacks?

    Yes, CVE-2011-1553 allows remote attackers to trigger a denial of service by sending specially crafted PDF documents.

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