Gentoo: GLSA-201903-10 Normal: OpenSSL Multiple Information Disclosure
gentoo
March 14, 2019
Multiple Information Disclosure vulnerabilities in OpenSSL allow attackers to obtain sensitive information.
Summary
Multiple vulnerabilities have been discovered in OpenSSL. Please review the CVE identifiers referenced below for details.
Topics Covered
Resolution
All OpenSSL users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.0.2r"
References
[ 1 ] CVE-2018-5407 https://nvd.nist.gov/vuln/detail/CVE-2018-5407 [ 2 ] CVE-2019-1559 https://nvd.nist.gov/vuln/detail/CVE-2019-1559
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201903-10
style>.gentoo_availability{display:block;}
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.
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Severity: Normal
Title: OpenSSL: Multiple vulnerabilities
Date: March 14, 2019
Bugs: #673056, #678564
ID: 201903-10
Topics Covered
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.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/openssl < 1.0.2r >= 1.0.2r
Impact
=====
A remote attacker to obtain sensitive information, caused by the
failure to immediately close the TCP connection after the hosts
encounter a zero-length record with valid padding.
A local attacker could run a malicious process next to legitimate
processes using the architecture’s parallel thread running capabilities
to leak encrypted data from the CPU's internal processes.
Workaround
There is no known workaround at this time.
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