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Red Hat Product Errata RHSA-2014:0594 - Security Advisory
Issued:
2014-06-03
Updated:
2014-06-03

RHSA-2014:0594 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: gnutls security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated gnutls packages that fix multiple security issues are now available
for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having
Important security impact. Common Vulnerability Scoring System (CVSS) base
scores, which give detailed severity ratings, are available for each
vulnerability from the CVE links in the References section.

Description

The GnuTLS library provides support for cryptographic algorithms and for
protocols such as Transport Layer Security (TLS). The gnutls packages also
include the libtasn1 library, which provides Abstract Syntax Notation One
(ASN.1) parsing and structures management, and Distinguished Encoding Rules
(DER) encoding and decoding functions.

A flaw was found in the way GnuTLS parsed session IDs from ServerHello
messages of the TLS/SSL handshake. A malicious server could use this flaw
to send an excessively long session ID value, which would trigger a buffer
overflow in a connecting TLS/SSL client application using GnuTLS, causing
the client application to crash or, possibly, execute arbitrary code.
(CVE-2014-3466)

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.
Upstream acknowledges Joonas Kuorilehto of Codenomicon as the original
reporter of CVE-2014-3466.

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

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/site/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 5 x86_64
  • Red Hat Enterprise Linux Server 5 ia64
  • Red Hat Enterprise Linux Server 5 i386
  • Red Hat Enterprise Linux Workstation 5 x86_64
  • Red Hat Enterprise Linux Workstation 5 i386
  • Red Hat Enterprise Linux Desktop 5 x86_64
  • Red Hat Enterprise Linux Desktop 5 i386
  • Red Hat Enterprise Linux for IBM z Systems 5 s390x
  • Red Hat Enterprise Linux for Power, big endian 5 ppc
  • Red Hat Enterprise Linux Server from RHUI 5 x86_64
  • Red Hat Enterprise Linux Server from RHUI 5 i386

Fixes

  • BZ - 1101932 - CVE-2014-3466 gnutls: insufficient session id length check in _gnutls_read_server_hello (GNUTLS-SA-2014-3)
  • BZ - 1102022 - CVE-2014-3467 libtasn1: multiple boundary check issues
  • BZ - 1102323 - CVE-2014-3468 libtasn1: asn1_get_bit_der() can return negative bit length
  • BZ - 1102329 - CVE-2014-3469 libtasn1: asn1_read_value_type() NULL pointer dereference

CVEs

  • CVE-2014-3467
  • CVE-2014-3466
  • CVE-2014-3469
  • CVE-2014-3468

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 5

SRPM
gnutls-1.4.1-16.el5_10.src.rpm SHA-256: 7116df5683ce671aa5a3450917e0a1e01f886d7e3361d22202ceb68fa6dc1874
x86_64
gnutls-1.4.1-16.el5_10.i386.rpm SHA-256: fd557097d2b151a651bdc57debed14d20f93ce8e4fa8950ae0983c2a95edf833
gnutls-1.4.1-16.el5_10.x86_64.rpm SHA-256: 4f6d29615b6e20567a601d1cbbf4ec1e2d43dbb8fb38af22bb4119c6a5c866a1
gnutls-debuginfo-1.4.1-16.el5_10.i386.rpm SHA-256: 2d397670e05f789910ce8ed7fce3eb34122f874ce045bce74991670090c2e357
gnutls-debuginfo-1.4.1-16.el5_10.x86_64.rpm SHA-256: 16760c393aac3ee0f41ec274964597ac7920e7fe1fa15ca31403b70c0326f114
gnutls-devel-1.4.1-16.el5_10.i386.rpm SHA-256: 9fae428aa3516c29e670c6d503d5d0adac28d67bfc6f1cda39515a06923bd58e
gnutls-devel-1.4.1-16.el5_10.x86_64.rpm SHA-256: 1b2263e49f0c7d6dfc1c811d79629fb37f89d4f9084b0ba8bfe6d61e2c19e8b8
gnutls-utils-1.4.1-16.el5_10.x86_64.rpm SHA-256: 28a9e843e61032727636074ff3486a87780f625d1880c4b1aa2eeb4d0cf13a0b
ia64
gnutls-1.4.1-16.el5_10.i386.rpm SHA-256: fd557097d2b151a651bdc57debed14d20f93ce8e4fa8950ae0983c2a95edf833
gnutls-1.4.1-16.el5_10.ia64.rpm SHA-256: 649e5dcde140e0b75d8919e84493197c8d12cf07bb452e48cff276c3dcab990b
gnutls-debuginfo-1.4.1-16.el5_10.i386.rpm SHA-256: 2d397670e05f789910ce8ed7fce3eb34122f874ce045bce74991670090c2e357
gnutls-debuginfo-1.4.1-16.el5_10.ia64.rpm SHA-256: 720175fab6ac97fb650d211c4f7a6d7619c34ba1acd29fd90a8c3359e5e66253
gnutls-devel-1.4.1-16.el5_10.ia64.rpm SHA-256: 221df6500931cbca7f518aa3e4ca61b441de3c3da0270281ddb041ea21a62c30
gnutls-utils-1.4.1-16.el5_10.ia64.rpm SHA-256: 8bb0ae93a42dd9dc75e8271059295b7540d9da864ef77b7a3c795f992c84fba9
i386
gnutls-1.4.1-16.el5_10.i386.rpm SHA-256: fd557097d2b151a651bdc57debed14d20f93ce8e4fa8950ae0983c2a95edf833
gnutls-debuginfo-1.4.1-16.el5_10.i386.rpm SHA-256: 2d397670e05f789910ce8ed7fce3eb34122f874ce045bce74991670090c2e357
gnutls-devel-1.4.1-16.el5_10.i386.rpm SHA-256: 9fae428aa3516c29e670c6d503d5d0adac28d67bfc6f1cda39515a06923bd58e
gnutls-utils-1.4.1-16.el5_10.i386.rpm SHA-256: 1821c31a23df55e604709326fbe3e199e4e5888becf338f0998052e8456eff3b

Red Hat Enterprise Linux Workstation 5

SRPM
gnutls-1.4.1-16.el5_10.src.rpm SHA-256: 7116df5683ce671aa5a3450917e0a1e01f886d7e3361d22202ceb68fa6dc1874
x86_64
gnutls-1.4.1-16.el5_10.i386.rpm SHA-256: fd557097d2b151a651bdc57debed14d20f93ce8e4fa8950ae0983c2a95edf833
gnutls-1.4.1-16.el5_10.x86_64.rpm SHA-256: 4f6d29615b6e20567a601d1cbbf4ec1e2d43dbb8fb38af22bb4119c6a5c866a1
gnutls-debuginfo-1.4.1-16.el5_10.i386.rpm SHA-256: 2d397670e05f789910ce8ed7fce3eb34122f874ce045bce74991670090c2e357
gnutls-debuginfo-1.4.1-16.el5_10.i386.rpm SHA-256: 2d397670e05f789910ce8ed7fce3eb34122f874ce045bce74991670090c2e357
gnutls-debuginfo-1.4.1-16.el5_10.x86_64.rpm SHA-256: 16760c393aac3ee0f41ec274964597ac7920e7fe1fa15ca31403b70c0326f114
gnutls-debuginfo-1.4.1-16.el5_10.x86_64.rpm SHA-256: 16760c393aac3ee0f41ec274964597ac7920e7fe1fa15ca31403b70c0326f114
gnutls-devel-1.4.1-16.el5_10.i386.rpm SHA-256: 9fae428aa3516c29e670c6d503d5d0adac28d67bfc6f1cda39515a06923bd58e
gnutls-devel-1.4.1-16.el5_10.x86_64.rpm SHA-256: 1b2263e49f0c7d6dfc1c811d79629fb37f89d4f9084b0ba8bfe6d61e2c19e8b8
gnutls-utils-1.4.1-16.el5_10.x86_64.rpm SHA-256: 28a9e843e61032727636074ff3486a87780f625d1880c4b1aa2eeb4d0cf13a0b
i386
gnutls-1.4.1-16.el5_10.i386.rpm SHA-256: fd557097d2b151a651bdc57debed14d20f93ce8e4fa8950ae0983c2a95edf833
gnutls-debuginfo-1.4.1-16.el5_10.i386.rpm SHA-256: 2d397670e05f789910ce8ed7fce3eb34122f874ce045bce74991670090c2e357
gnutls-debuginfo-1.4.1-16.el5_10.i386.rpm SHA-256: 2d397670e05f789910ce8ed7fce3eb34122f874ce045bce74991670090c2e357
gnutls-devel-1.4.1-16.el5_10.i386.rpm SHA-256: 9fae428aa3516c29e670c6d503d5d0adac28d67bfc6f1cda39515a06923bd58e
gnutls-utils-1.4.1-16.el5_10.i386.rpm SHA-256: 1821c31a23df55e604709326fbe3e199e4e5888becf338f0998052e8456eff3b

Red Hat Enterprise Linux Desktop 5

SRPM
gnutls-1.4.1-16.el5_10.src.rpm SHA-256: 7116df5683ce671aa5a3450917e0a1e01f886d7e3361d22202ceb68fa6dc1874
x86_64
gnutls-1.4.1-16.el5_10.i386.rpm SHA-256: fd557097d2b151a651bdc57debed14d20f93ce8e4fa8950ae0983c2a95edf833
gnutls-1.4.1-16.el5_10.x86_64.rpm SHA-256: 4f6d29615b6e20567a601d1cbbf4ec1e2d43dbb8fb38af22bb4119c6a5c866a1
gnutls-debuginfo-1.4.1-16.el5_10.i386.rpm SHA-256: 2d397670e05f789910ce8ed7fce3eb34122f874ce045bce74991670090c2e357
gnutls-debuginfo-1.4.1-16.el5_10.x86_64.rpm SHA-256: 16760c393aac3ee0f41ec274964597ac7920e7fe1fa15ca31403b70c0326f114
gnutls-utils-1.4.1-16.el5_10.x86_64.rpm SHA-256: 28a9e843e61032727636074ff3486a87780f625d1880c4b1aa2eeb4d0cf13a0b
i386
gnutls-1.4.1-16.el5_10.i386.rpm SHA-256: fd557097d2b151a651bdc57debed14d20f93ce8e4fa8950ae0983c2a95edf833
gnutls-debuginfo-1.4.1-16.el5_10.i386.rpm SHA-256: 2d397670e05f789910ce8ed7fce3eb34122f874ce045bce74991670090c2e357
gnutls-utils-1.4.1-16.el5_10.i386.rpm SHA-256: 1821c31a23df55e604709326fbe3e199e4e5888becf338f0998052e8456eff3b

Red Hat Enterprise Linux for IBM z Systems 5

SRPM
gnutls-1.4.1-16.el5_10.src.rpm SHA-256: 7116df5683ce671aa5a3450917e0a1e01f886d7e3361d22202ceb68fa6dc1874
s390x
gnutls-1.4.1-16.el5_10.s390.rpm SHA-256: c9a501cfec6c13b1cd1647c85a41738c7257f7b4ed5870dc29efeb10da489712
gnutls-1.4.1-16.el5_10.s390x.rpm SHA-256: aded7f067dbe233671eb9db41543a0eb7b6b11180d1ee50d5aef031f3915f7c4
gnutls-debuginfo-1.4.1-16.el5_10.s390.rpm SHA-256: 59d7332743871907c179d5d15b34d5a3ddc22fc4512b033f075a2d6bcae11b42
gnutls-debuginfo-1.4.1-16.el5_10.s390x.rpm SHA-256: 96e0b9e6b4d27acb00cb4e87c6256c2d9a2bbf793ee3b212736b1f5fbc317815
gnutls-devel-1.4.1-16.el5_10.s390.rpm SHA-256: 308360d66f9e61b851b35cdc784ecc94296ca28541b3109a65af260258aa879d
gnutls-devel-1.4.1-16.el5_10.s390x.rpm SHA-256: aee7aee4050afd2eb3e180ccedd407c140106f11c93f514801237a2ac617062e
gnutls-utils-1.4.1-16.el5_10.s390x.rpm SHA-256: 866e781b889099ca55ff52c76c54e2564f576b2cee7bab6a22d296a92a9d086c

Red Hat Enterprise Linux for Power, big endian 5

SRPM
gnutls-1.4.1-16.el5_10.src.rpm SHA-256: 7116df5683ce671aa5a3450917e0a1e01f886d7e3361d22202ceb68fa6dc1874
ppc
gnutls-1.4.1-16.el5_10.ppc.rpm SHA-256: ec84b5ec07145ae291755a2971b75ea8d8a3dcaa12b960c4d1b07fc10278b655
gnutls-1.4.1-16.el5_10.ppc64.rpm SHA-256: 9dbabb76bdb50a70e65e44d48eb76c9b090ec66ae0764a7cae86fccd194ce224
gnutls-debuginfo-1.4.1-16.el5_10.ppc.rpm SHA-256: 78cebe828f7838d304b4e329732f5a80885cad24d615cd1b2fe92e16ac85897b
gnutls-debuginfo-1.4.1-16.el5_10.ppc64.rpm SHA-256: 7792739a4589d9de7d3c33e2551f2a99921d18741a9e225f465f0a44321b9869
gnutls-devel-1.4.1-16.el5_10.ppc.rpm SHA-256: c75ad104a02bd12936fe3788767e5d0063b905b409421632daac280389784290
gnutls-devel-1.4.1-16.el5_10.ppc64.rpm SHA-256: ca2c3d9c83104525e7757abb9050187badecbe084fb33c566ce7edc6144b6647
gnutls-utils-1.4.1-16.el5_10.ppc.rpm SHA-256: d41b5a4fb18aba2ac94d38d11b008173c9bccea3946da7c3926a2ff609f6f53f

Red Hat Enterprise Linux Server from RHUI 5

SRPM
gnutls-1.4.1-16.el5_10.src.rpm SHA-256: 7116df5683ce671aa5a3450917e0a1e01f886d7e3361d22202ceb68fa6dc1874
x86_64
gnutls-1.4.1-16.el5_10.i386.rpm SHA-256: fd557097d2b151a651bdc57debed14d20f93ce8e4fa8950ae0983c2a95edf833
gnutls-1.4.1-16.el5_10.x86_64.rpm SHA-256: 4f6d29615b6e20567a601d1cbbf4ec1e2d43dbb8fb38af22bb4119c6a5c866a1
gnutls-debuginfo-1.4.1-16.el5_10.i386.rpm SHA-256: 2d397670e05f789910ce8ed7fce3eb34122f874ce045bce74991670090c2e357
gnutls-debuginfo-1.4.1-16.el5_10.x86_64.rpm SHA-256: 16760c393aac3ee0f41ec274964597ac7920e7fe1fa15ca31403b70c0326f114
gnutls-devel-1.4.1-16.el5_10.i386.rpm SHA-256: 9fae428aa3516c29e670c6d503d5d0adac28d67bfc6f1cda39515a06923bd58e
gnutls-devel-1.4.1-16.el5_10.x86_64.rpm SHA-256: 1b2263e49f0c7d6dfc1c811d79629fb37f89d4f9084b0ba8bfe6d61e2c19e8b8
gnutls-utils-1.4.1-16.el5_10.x86_64.rpm SHA-256: 28a9e843e61032727636074ff3486a87780f625d1880c4b1aa2eeb4d0cf13a0b
i386
gnutls-1.4.1-16.el5_10.i386.rpm SHA-256: fd557097d2b151a651bdc57debed14d20f93ce8e4fa8950ae0983c2a95edf833
gnutls-debuginfo-1.4.1-16.el5_10.i386.rpm SHA-256: 2d397670e05f789910ce8ed7fce3eb34122f874ce045bce74991670090c2e357
gnutls-devel-1.4.1-16.el5_10.i386.rpm SHA-256: 9fae428aa3516c29e670c6d503d5d0adac28d67bfc6f1cda39515a06923bd58e
gnutls-utils-1.4.1-16.el5_10.i386.rpm SHA-256: 1821c31a23df55e604709326fbe3e199e4e5888becf338f0998052e8456eff3b

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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