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openSUSE Evergreen 11.4 Security Update: 2016:0637-1 Critical OpenSSL Fix

opensuse
Calendar Grey March 2, 2016
Scroller Opensuse
The latest update for openSUSE mitigates several security flaws in OpenSSL, improving overall system integrity and reliability.
An update that fixes 11 vulnerabilities is now available

Description

This update for openssl fixes various security issues:

Security issues fixed:

- CVE-2016-0800 aka the "DROWN" attack (bsc#968046): OpenSSL was

vulnerable to a cross-protocol attack that could lead to decryption of

TLS sessions by using a server supporting SSLv2 and EXPORT cipher suites

as a Bleichenbacher RSA padding oracle.

This update changes the openssl library to:

* Disable SSLv2 protocol support by default.

This can be overridden by setting the environment variable

"OPENSSL_ALLOW_SSL2" or by using SSL_CTX_clear_options using the

SSL_OP_NO_SSLv2 flag.

Note that various services and clients had already disabled SSL

protocol 2 by default previously.

* Disable all weak EXPORT ciphers by default. These can be reenabled if

required by old legacy software using the environment variable

"OPENSSL_ALLOW_EXPORT".

- CVE-2016-0702 aka the "CacheBleed" attack. (bsc#968050) Various changes

in the modular...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service update critical important openssl

Patch

Patch Instructions:

To install this openSUSE Security Update use YaST online_update.

Alternatively you can run the command listed for your product:

- openSUSE Evergreen 11.4:

zypper in -t patch 2016-293=1

To bring your system up-to-date, use "zypper patch".

Package List

- openSUSE Evergreen 11.4 (i586 x86_64):

libopenssl-devel-1.0.1p-71.1

libopenssl1_0_0-1.0.1p-71.1

libopenssl1_0_0-debuginfo-1.0.1p-71.1

openssl-1.0.1p-71.1

openssl-debuginfo-1.0.1p-71.1

openssl-debugsource-1.0.1p-71.1

- openSUSE Evergreen 11.4 (x86_64):

libopenssl-devel-32bit-1.0.1p-71.1

libopenssl1_0_0-32bit-1.0.1p-71.1

libopenssl1_0_0-debuginfo-32bit-1.0.1p-71.1

- openSUSE Evergreen 11.4 (noarch):

openssl-doc-1.0.1p-71.1

- openSUSE Evergreen 11.4 (ia64):

libopenssl1_0_0-debuginfo-x86-1.0.1p-71.1

libopenssl1_0_0-x86-1.0.1p-71.1

References

https://www.suse.com/security/cve/CVE-2015-1794.html

https://www.suse.com/security/cve/CVE-2015-3194.html

https://www.suse.com/security/cve/CVE-2015-3195.html

https://www.suse.com/security/cve/CVE-2015-3197.html

https://www.suse.com/security/cve/CVE-2016-0701.html

https://www.suse.com/security/cve/CVE-2016-0702.html

https://www.suse.com/security/cve/CVE-2016-0705.html

https://www.suse.com/security/cve/CVE-2016-0797.html

https://www.suse.com/security/cve/CVE-2016-0798.html

https://www.suse.com/security/cve/CVE-2016-0799.html

https://www.suse.com/security/cve/CVE-2016-0800.html

https://bugzilla.suse.com/957812

https://bugzilla.suse.com/957815

https://bugzilla.suse.com/963415

https://bugzilla.suse.com/968046

https://bugzilla.suse.com/968047

https://bugzilla.suse.com/968048

https://bugzilla.suse.com/968050

https://bugzilla.suse.com/968265

https://bugzilla.suse.com/968374

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2016:0637-1
Rating: important
Affected Products: openSUSE Evergreen 11.4 .

Topics%20covered

Topics Covered

security advisory denial of service update critical important openssl

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