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openSUSE Leap 42.1: 2016:0628-1 Important: OpenSSL Security Issues

opensuse
Calendar Grey March 2, 2016
Scroller Opensuse
Important openSUSE patch released, targeting 8 vulnerabilities, such as service disruption and mixed-protocol threats within OpenSSL.
An update that solves 9 vulnerabilities and has one errata An update that solves 9 vulnerabilities and has one errata An update that solves 9 vulnerabilities and has one errata is ...

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...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service update important openssl openSUSE cross-protocol

Patch

Patch Instructions:

To install this openSUSE Security Update use YaST online_update.

Alternatively you can run the command listed for your product:

- openSUSE Leap 42.1:

zypper in -t patch openSUSE-2016-289=1

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

Package List

- openSUSE Leap 42.1 (i586 x86_64):

libopenssl-devel-1.0.1i-12.1

libopenssl1_0_0-1.0.1i-12.1

libopenssl1_0_0-debuginfo-1.0.1i-12.1

libopenssl1_0_0-hmac-1.0.1i-12.1

openssl-1.0.1i-12.1

openssl-debuginfo-1.0.1i-12.1

openssl-debugsource-1.0.1i-12.1

- openSUSE Leap 42.1 (x86_64):

libopenssl-devel-32bit-1.0.1i-12.1

libopenssl1_0_0-32bit-1.0.1i-12.1

libopenssl1_0_0-debuginfo-32bit-1.0.1i-12.1

libopenssl1_0_0-hmac-32bit-1.0.1i-12.1

- openSUSE Leap 42.1 (noarch):

openssl-doc-1.0.1i-12.1

References

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

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

https://www.suse.com/security/cve/CVE-2016-0703.html

https://www.suse.com/security/cve/CVE-2016-0704.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/958501

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/968051

https://bugzilla.suse.com/968053

https://bugzilla.suse.com/968265

https://bugzilla.suse.com/968374

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2016:0628-1
Rating: important
Affected Products: openSUSE Leap 42.1

Topics%20covered

Topics Covered

security advisory denial of service update important openssl openSUSE cross-protocol

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