medium
5
Advisory Published
CVE Published
Updated

CVE-2014-3467

First published: Wed May 28 2014(Updated: )

Multiple buffer boundary check issues were discovered in libtasn1 library, causing it to read beyond the boundary of an allocated buffer. An untrusted ASN.1 input could cause an application using the library to crash. The libtasn1 library is used by the GnuTLS library to parse X.509 certificates. The gnutls packages in Red Hat Enterprise Linux 5 and earlier use bundled libtasn1, packages in Red Hat Enterprise Linux 6 and later depend on the library provided by a separate libtasn1 package. Upstream commits: <a href="http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=ff3b5c68cc32e30d19edbbc3a962b2266029f3cc">http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=ff3b5c68cc32e30d19edbbc3a962b2266029f3cc</a> <a href="http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=0e80d79db71747644394fe3472dad28cd3e7b00b">http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=0e80d79db71747644394fe3472dad28cd3e7b00b</a> <a href="http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=154909136c12cfa5c60732b7210827dfb1ec6aee">http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=154909136c12cfa5c60732b7210827dfb1ec6aee</a> <a href="http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=37a16434131c6ad8745b9accefec5cecb4cbb5b7">http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=37a16434131c6ad8745b9accefec5cecb4cbb5b7</a> <a href="http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=cc10a8c5443c751d920cfaca1f104089e43296be">http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=cc10a8c5443c751d920cfaca1f104089e43296be</a> <a href="http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=6fee6745b1bd1a82f16ae9b607855a3e3ab39fc6">http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=6fee6745b1bd1a82f16ae9b607855a3e3ab39fc6</a> <a href="http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=af0e8cd0bacf47ecce049165d3bc1ed9e861df1c">http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=af0e8cd0bacf47ecce049165d3bc1ed9e861df1c</a> <a href="http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=609d5c1366fb424f6150c4eed358d246e61cf204">http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=609d5c1366fb424f6150c4eed358d246e61cf204</a> <a href="http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=51612fca32dda445056ca9a7533bae258acd3ecb">http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=51612fca32dda445056ca9a7533bae258acd3ecb</a>

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/libtasn1<3.6
3.6
Debian GnuTLS<3.5.7
libtasn1<3.6
Red Hat Enterprise Virtualization=6.0
Debian=7.0
redhat enterprise Linux desktop=5.0
redhat enterprise Linux desktop=6.0
redhat enterprise Linux desktop=7.0
redhat enterprise Linux eus=6.5
redhat enterprise Linux eus=7.3
redhat enterprise Linux eus=7.4
redhat enterprise Linux eus=7.5
redhat enterprise Linux eus=7.6
redhat enterprise Linux eus=7.7
redhat enterprise Linux server=5.0
redhat enterprise Linux server=6.0
redhat enterprise Linux server=7.0
redhat enterprise Linux server aus=6.5
redhat enterprise Linux server aus=7.3
redhat enterprise Linux server aus=7.4
redhat enterprise Linux server aus=7.6
redhat enterprise Linux server aus=7.7
redhat enterprise Linux server tus=6.5
redhat enterprise Linux server tus=7.3
redhat enterprise Linux server tus=7.6
redhat enterprise Linux server tus=7.7
redhat enterprise Linux workstation=5.0
redhat enterprise Linux workstation=6.0
redhat enterprise Linux workstation=7.0
SUSE Linux Enterprise Desktop with Beagle=11-sp3
SUSE Linux Enterprise High Availability=11-sp3
SUSE Linux Enterprise Server=11-sp1
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Server=11-sp3
suse linux enterprise server vmware=11-sp3
SUSE Linux Enterprise Software Development Kit=11-sp3
F5 ARX Firmware>=6.0.0<=6.4.0
F5 ARX Data Manager

Remedy

http://lists.gnu.org/archive/html/help-libtasn1/2014-05/msg00006.html

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=1102022

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2014-3467?

    CVE-2014-3467 is classified as a moderate severity vulnerability due to the potential for application crashes.

  • How do I fix CVE-2014-3467?

    To fix CVE-2014-3467, update libtasn1 to version 3.6 or later.

  • Which systems are affected by CVE-2014-3467?

    CVE-2014-3467 affects various systems that utilize the libtasn1 library and GNU GnuTLS, including specific versions of Red Hat and SUSE distributions.

  • What type of issue is CVE-2014-3467?

    CVE-2014-3467 involves multiple buffer boundary check issues that can lead to reading beyond the allocated buffer.

  • Can CVE-2014-3467 be exploited remotely?

    While CVE-2014-3467 does not specifically allow remote exploitation, it can cause denial of service if an untrusted ASN.1 input is processed.

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