medium
5
CWE
20
Advisory Published
CVE Published
Updated

CVE-2013-4402: Input Validation

First published: Fri Oct 04 2013(Updated: )

The compressed packet parser in GnuPG 1.4.x before 1.4.15 and 2.0.x before 2.0.22 allows remote attackers to cause a denial of service (infinite recursion) via a crafted OpenPGP message.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/gnupg<1.4.15
1.4.15
redhat/gnupg<2.0.22
2.0.22
Debian GnuPG=1.4.0
Debian GnuPG=1.4.2
Debian GnuPG=1.4.3
Debian GnuPG=1.4.4
Debian GnuPG=1.4.5
Debian GnuPG=1.4.8
Debian GnuPG=1.4.10
Debian GnuPG=1.4.11
Debian GnuPG=1.4.12
Debian GnuPG=1.4.13
Debian GnuPG=1.4.14
Debian GnuPG=2.0
Debian GnuPG=2.0.1
Debian GnuPG=2.0.10
Debian GnuPG=2.0.11
Debian GnuPG=2.0.12
Debian GnuPG=2.0.13
Debian GnuPG=2.0.14
Debian GnuPG=2.0.15
Debian GnuPG=2.0.16
Debian GnuPG=2.0.17
Debian GnuPG=2.0.18
Debian GnuPG=2.0.19
Debian GnuPG=2.0.20
Debian GnuPG=2.0.21
Ubuntu Linux=10.04
Ubuntu Linux=12.04
Ubuntu Linux=12.10
Ubuntu Linux=13.04

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2013-4402?

    CVE-2013-4402 is classified as a denial of service vulnerability due to infinite recursion in the GnuPG compressed packet parser.

  • How do I fix CVE-2013-4402?

    To fix CVE-2013-4402, upgrade GnuPG to version 1.4.15 or later for the 1.4.x series or to version 2.0.22 or later for the 2.0.x series.

  • What versions of GnuPG are affected by CVE-2013-4402?

    GnuPG versions 1.4.0 to 1.4.14 and 2.0.0 to 2.0.21 are affected by CVE-2013-4402.

  • Can CVE-2013-4402 lead to data loss?

    CVE-2013-4402 primarily causes denial of service, but unexpected behavior in crypto implementations may pose a risk of data loss.

  • Is my system vulnerable to CVE-2013-4402?

    If you are using GnuPG versions prior to 1.4.15 or 2.0.22, your system is vulnerable to CVE-2013-4402.

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