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Test ID:1.3.6.1.4.1.25623.1.0.871170
Category:Red Hat Local Security Checks
Title:RedHat Update for libtasn1 RHSA-2014:0596-01
Summary:The remote host is missing an update for the 'libtasn1'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'libtasn1'
package(s) announced via the referenced advisory.

Vulnerability Insight:
The libtasn1 library provides Abstract Syntax Notation One (ASN.1) parsing
and structures management, and Distinguished Encoding Rules (DER) encoding
and decoding functions.

It was discovered that the asn1_get_bit_der() function of the libtasn1
library incorrectly reported the length of ASN.1-encoded data. Specially
crafted ASN.1 input could cause an application using libtasn1 to perform
an out-of-bounds access operation, causing the application to crash or,
possibly, execute arbitrary code. (CVE-2014-3468)

Multiple incorrect buffer boundary check issues were discovered in
libtasn1. Specially crafted ASN.1 input could cause an application using
libtasn1 to crash. (CVE-2014-3467)

Multiple NULL pointer dereference flaws were found in libtasn1's
asn1_read_value() function. Specially crafted ASN.1 input could cause an
application using libtasn1 to crash, if the application used the
aforementioned function in a certain way. (CVE-2014-3469)

Red Hat would like to thank GnuTLS upstream for reporting these issues.

All libtasn1 users are advised to upgrade to these updated packages, which
correct these issues. For the update to take effect, all applications
linked to the libtasn1 library must be restarted.

Affected Software/OS:
libtasn1 on Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Workstation (v. 6)

Solution:
Please Install the Updated Packages.

CVSS Score:
7.5

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2014-3467
Debian Security Information: DSA-3056 (Google Search)
http://www.debian.org/security/2014/dsa-3056
http://www.mandriva.com/security/advisories?name=MDVSA-2015:116
http://lists.gnu.org/archive/html/help-libtasn1/2014-05/msg00006.html
RedHat Security Advisories: RHSA-2014:0594
http://rhn.redhat.com/errata/RHSA-2014-0594.html
RedHat Security Advisories: RHSA-2014:0596
http://rhn.redhat.com/errata/RHSA-2014-0596.html
RedHat Security Advisories: RHSA-2014:0687
http://rhn.redhat.com/errata/RHSA-2014-0687.html
RedHat Security Advisories: RHSA-2014:0815
http://rhn.redhat.com/errata/RHSA-2014-0815.html
http://secunia.com/advisories/58591
http://secunia.com/advisories/58614
http://secunia.com/advisories/59021
http://secunia.com/advisories/59057
http://secunia.com/advisories/59408
http://secunia.com/advisories/60320
http://secunia.com/advisories/60415
http://secunia.com/advisories/61888
SuSE Security Announcement: SUSE-SU-2014:0758 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00002.html
SuSE Security Announcement: SUSE-SU-2014:0788 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00015.html
Common Vulnerability Exposure (CVE) ID: CVE-2014-3468
Common Vulnerability Exposure (CVE) ID: CVE-2014-3469
CopyrightCopyright (C) 2014 Greenbone Networks GmbH

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