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Red Hat Security Advisory
Synopsis: Important: openssl security update
Advisory ID: RHSA-2009:0004-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2009-0004.html
Issue date: 2009-01-07
CVE Names: CVE-2008-5077
================================================== ===================
1. Summary:
Updated OpenSSL packages that correct a security issue are now available
for Red Hat Enterprise Linux 2.1, 3, 4, and 5.
This update has been rated as having important security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64
Red Hat Linux Advanced Workstation 2.1 - ia64
Red Hat Enterprise Linux ES version 2.1 - i386
Red Hat Enterprise Linux WS version 2.1 - i386
Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Desktop version 3 - i386, x86_64
Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
3. Description:
OpenSSL is a toolkit that implements Secure Sockets Layer (SSL v2/v3) and
Transport Layer Security (TLS v1) protocols as well as a full-strength,
general purpose, cryptography library.
The Google security team discovered a flaw in the way OpenSSL checked the
verification of certificates. An attacker in control of a malicious server,
or able to effect a "man in the middle" attack, could present a malformed
SSL/TLS signature from a certificate chain to a vulnerable client and
bypass validation. (CVE-2008-5077)
All OpenSSL users should upgrade to these updated packages, which contain
backported patches to resolve these issues. For the update to take effect,
all running OpenSSL client applications must be restarted, or the system
rebooted.
4. Solution:
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259
5. Bugs fixed (http://bugzilla.redhat.com/):
476671 - CVE-2008-5077 OpenSSL Incorrect checks for malformed signatures
6. Package List:
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 :
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package
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03-25-2010, 09:55 AM
Important: openssl security update
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Hash: SHA1
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Red Hat Security Advisory
Synopsis: Important: openssl security update
Advisory ID: RHSA-2010:0162-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0162.html
Issue date: 2010-03-25
CVE Names: CVE-2009-3245 CVE-2009-3555 CVE-2010-0433
================================================== ===================
1. Summary:
Updated openssl packages that fix several 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.
2. Relevant releases/architectures:
RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
3. Description:
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL v2/v3)
and Transport Layer Security (TLS v1) protocols, as well as a
full-strength, general purpose cryptography library.
It was discovered that OpenSSL did not always check the return value of the
bn_wexpand() function. An attacker able to trigger a memory allocation
failure in that function could cause an application using the OpenSSL
library to crash or, possibly, execute arbitrary code. (CVE-2009-3245)
A flaw was found in the way the TLS/SSL (Transport Layer Security/Secure
Sockets Layer) protocols handled session renegotiation. A man-in-the-middle
attacker could use this flaw to prefix arbitrary plain text to a client's
session (for example, an HTTPS connection to a website). This could force
the server to process an attacker's request as if authenticated using the
victim's credentials. This update addresses this flaw by implementing the
TLS Renegotiation Indication Extension, as defined in RFC 5746.
(CVE-2009-3555)
Refer to the following Knowledgebase article for additional details about
the CVE-2009-3555 flaw: http://kbase.redhat.com/faq/docs/DOC-20491
A missing return value check flaw was discovered in OpenSSL, that could
possibly cause OpenSSL to call a Kerberos library function with invalid
arguments, resulting in a NULL pointer dereference crash in the MIT
Kerberos library. In certain configurations, a remote attacker could use
this flaw to crash a TLS/SSL server using OpenSSL by requesting Kerberos
cipher suites during the TLS handshake. (CVE-2010-0433)
All OpenSSL users should upgrade to these updated packages, which contain
backported patches to resolve these issues. For the update to take effect,
all services linked to the OpenSSL library must be restarted, or the system
rebooted.
4. 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
http://kbase.redhat.com/faq/docs/DOC-11259
5. Bugs fixed (http://bugzilla.redhat.com/):
533125 - CVE-2009-3555 TLS: MITM attacks via session renegotiation
567711 - Nessus PCI scan segfaults openssl dependent products due to kerberos enabled in openssl
569774 - CVE-2010-0433 openssl: crash caused by a missing krb5_sname_to_principal() return value check
570924 - CVE-2009-3245 openssl: missing bn_wexpand return value checks
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package
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11-16-2010, 04:04 PM
Important: openssl security update
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Hash: SHA1
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Red Hat Security Advisory
Synopsis: Important: openssl security update
Advisory ID: RHSA-2010:0888-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0888.html
Issue date: 2010-11-16
CVE Names: CVE-2010-3864
================================================== ===================
1. Summary:
Updated openssl packages that fix one security issue are now available for
Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
3. Description:
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL v2/v3)
and Transport Layer Security (TLS v1) protocols, as well as a
full-strength, general purpose cryptography library.
A race condition flaw has been found in the OpenSSL TLS server extension
parsing code, which could affect some multithreaded OpenSSL applications.
Under certain specific conditions, it may be possible for a remote attacker
to trigger this race condition and cause such an application to crash, or
possibly execute arbitrary code with the permissions of the application.
(CVE-2010-3864)
Note that this issue does not affect the Apache HTTP Server. Refer to Red
Hat Bugzilla bug 649304 for more technical details on how to determine if
your application is affected.
Red Hat would like to thank Rob Hulswit for reporting this issue.
All OpenSSL users should upgrade to these updated packages, which contain a
backported patch to resolve this issue. For the update to take effect, all
services linked to the OpenSSL library must be restarted, or the system
rebooted.
4. 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
http://kbase.redhat.com/faq/docs/DOC-11259
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package
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04-24-2012, 08:39 PM
Important: openssl security update
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Hash: SHA1
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Red Hat Security Advisory
Synopsis: Important: openssl security update
Advisory ID: RHSA-2012:0518-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-0518.html
Issue date: 2012-04-24
CVE Names: CVE-2012-2110
================================================== ===================
1. Summary:
Updated openssl, openssl097a, and openssl098e packages that fix one
security issue are now available for Red Hat Enterprise Linux 5 and 6.
The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.
2. Relevant releases/architectures:
RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
3. Description:
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL v2/v3)
and Transport Layer Security (TLS v1) protocols, as well as a
full-strength, general purpose cryptography library.
Multiple numeric conversion errors, leading to a buffer overflow, were
found in the way OpenSSL parsed ASN.1 (Abstract Syntax Notation One) data
from BIO (OpenSSL's I/O abstraction) inputs. Specially-crafted DER
(Distinguished Encoding Rules) encoded data read from a file or other BIO
input could cause an application using the OpenSSL library to crash or,
potentially, execute arbitrary code. (CVE-2012-2110)
All OpenSSL users should upgrade to these updated packages, which contain
a backported patch to resolve this issue. For the update to take effect,
all services linked to the OpenSSL library must be restarted, or the system
rebooted.
4. 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/knowledge/articles/11258
5. Bugs fixed (http://bugzilla.redhat.com/):
814185 - CVE-2012-2110 openssl: asn1_d2i_read_bio integer errors leading to buffer overflow
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
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04-25-2012, 12:48 PM
Important: openssl security update
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
================================================== ===================
Red Hat Security Advisory
Synopsis: Important: openssl security update
Advisory ID: RHSA-2012:0522-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-0522.html
Issue date: 2012-04-25
CVE Names: CVE-2012-2110
================================================== ===================
1. Summary:
Updated openssl packages that fix one security issue are now available for
Red Hat Enterprise Linux 3 and 4 Extended Life Cycle Support; Red Hat
Enterprise Linux 5.3 Long Life; and Red Hat Enterprise Linux 5.6, 6.0 and
6.1 Extended Update Support.
The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS (v. 3 ELS) - i386
Red Hat Enterprise Linux AS (v. 4 ELS) - i386, ia64, x86_64
Red Hat Enterprise Linux ES (v. 3 ELS) - i386
Red Hat Enterprise Linux ES (v. 4 ELS) - i386, x86_64
Red Hat Enterprise Linux EUS (v. 5.6 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Long Life (v. 5.3 server) - i386, ia64, x86_64
Red Hat Enterprise Linux Server EUS (v. 6.0) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server EUS (v. 6.1) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 6.0) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 6.1) - i386, ppc64, s390x, x86_64
3. Description:
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL v2/v3)
and Transport Layer Security (TLS v1) protocols, as well as a
full-strength, general purpose cryptography library.
Multiple numeric conversion errors, leading to a buffer overflow, were
found in the way OpenSSL parsed ASN.1 (Abstract Syntax Notation One) data
from BIO (OpenSSL's I/O abstraction) inputs. Specially-crafted DER
(Distinguished Encoding Rules) encoded data read from a file or other BIO
input could cause an application using the OpenSSL library to crash or,
potentially, execute arbitrary code. (CVE-2012-2110)
All OpenSSL users should upgrade to these updated packages, which contain
a backported patch to resolve this issue. For the update to take effect,
all services linked to the OpenSSL library must be restarted, or the system
rebooted.
4. 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/knowledge/articles/11258
5. Bugs fixed (http://bugzilla.redhat.com/):
814185 - CVE-2012-2110 openssl: asn1_d2i_read_bio integer errors leading to buffer overflow
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package
Important: openssl security update
