Gentoo: GLSA-201402-25: OpenSSL: Denial of Service
Summary
A flaw in the ssl3_take_mac function can result in a NULL pointer dereference.
Resolution
All OpenSSL 1.0.1 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.0.1f"
References
[ 1 ] CVE-2013-4353 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4353
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201402-25
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.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
A vulnerability in OpenSSL's handling of TLS handshakes could result in a Denial of Service condition.
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 < 1.0.1f >= 1.0.1f < 1.0.1
Impact
===== A remote attacker could send a specially crafted TLS handshake, resulting in a Denial of Service condition.
Workaround
There is no known workaround at this time.