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Gentoo: GLSA-202109-14 Critical: OpenSSL Security Flaws Identified

gentoo
Calendar Grey April 22, 2018
Dist Gentoo Esm H88
Several security flaws found in mbed TLS could allow remote adversaries to run malicious code or induce a Denial of Service; upgrading is recommended.
Multiple vulnerabilities have been found in mbed TLS, the worst of which could allow remote attackers to execute arbitrary code.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo high severity remote code execution Denial of Service attack vectors mbed TLS

Resolution

All mbed TLS users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/mbedtls-2.7.2"

References

[ 1 ] CVE-2017-18187 https://nvd.nist.gov/vuln/detail/CVE-2017-18187 [ 2 ] CVE-2018-0487 https://nvd.nist.gov/vuln/detail/CVE-2018-0487 [ 3 ] CVE-2018-0488 https://nvd.nist.gov/vuln/detail/CVE-2018-0488

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201804-19
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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.

Severity: High
Title: mbed TLS: Multiple vulnerabilites
Date: April 22, 2018
Bugs: #647800
ID: 201804-19

Topics%20covered

Topics Covered

security advisory Gentoo high severity remote code execution Denial of Service attack vectors mbed TLS

Synopsis

Multiple vulnerabilities have been found in mbed TLS, the worst of which could allow remote attackers to execute arbitrary code.

Background

mbed TLS (previously PolarSSL) is an “easy to understand, use, integrate and expand” implementation of the TLS and SSL protocols and the respective cryptographic algorithms and support code required.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-libs/mbedtls < 2.7.2 >= 2.7.2

Impact

===== A remote attacker, through multiple vectors, could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

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