[gentoo-announce] [ GLSA 201601-05 ] OpenSSL: Multiple vulnerabilities

[news 28]

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Gentoo Linux Security Advisory GLSA 201601-05

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https://security.gentoo.org/

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Severity: Normal

Title: OpenSSL: Multiple vulnerabilities

Date: January 29, 2016

Bugs: #572854

ID: 201601-05

 

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Synopsis

========

 

Multiple vulnerabilities have been found in OpenSSL, allowing remote

attackers to disclose sensitive information and complete weak

handshakes.

 

Background

==========

 

OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer

(SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general

purpose cryptography library.

 

Affected packages

=================

 

-------------------------------------------------------------------

Package / Vulnerable / Unaffected

-------------------------------------------------------------------

1 dev-libs/openssl < 1.0.2f >= 1.0.2f

 

Description

===========

 

Multiple vulnerabilities have been discovered in OpenSSL. Please review

the upstream advisory and CVE identifiers referenced below for details.

 

Impact

======

 

A remote attacker could disclose a server's private DH exponent, or

complete SSLv2 handshakes using ciphers that have been disabled on the

server.

 

Workaround

==========

 

There is no known workaround at this time.

 

Resolution

==========

 

All OpenSSL users should upgrade to the latest version:

 

# emerge --sync

# emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.0.2f"

 

References

==========

 

[ 1 ] CVE-2015-3197

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3197

[ 2 ] CVE-2016-0701

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0701

[ 3 ] OpenSSL Security Advisory [28th Jan 2016]

http://openssl.org/news/secadv/20160128.txt

 

Availability

============

 

This GLSA and any updates to it are available for viewing at

the Gentoo Security Website:

 

https://security.gentoo.org/glsa/201601-05

 

Concerns?

=========

 

Security is a primary focus of Gentoo Linux and ensuring the

confidentiality and security of our users' machines is of utmost

importance to us. Any security concerns should be addressed to

security ( -at -) gentoo.org or alternatively, you may file a bug at

https://bugs.gentoo.org.

 

License

=======

 

Copyright 2016 Gentoo Foundation, Inc; referenced text

belongs to its owner(s).

 

The contents of this document are licensed under the

Creative Commons - Attribution / Share Alike license.

 

http://creativecommons.org/licenses/by-sa/2.5