GLSA 201701-23: Botan: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	Botan: Multiple vulnerabilities
Date:	01/11/2017
Bugs:	#581324
ID:	201701-23

Synopsis

Multiple vulnerabilities have been found in Botan, the worst of which might allow remote attackers to obtain ECDSA secret keys.

Background

Botan (Japanese for peony) is a cryptography library written in C++11.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-libs/botan	< 1.10.13	>= 1.10.13	All supported architectures

Description

Multiple vulnerabilities have been discovered in Botan. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker might obtain ECDSA secret keys via a timing side-channel attack or could possibly bypass TLS policy.

Workaround

There is no known workaround at this time.

Resolution

All Botan users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-libs/botan-1.10.13"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201701-23.xml

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@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.