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Gentoo: GLSA-201706-18 High: mbed TLS Remote Code Execution Risk

gentoo
Calendar Grey June 20, 2017
Scroller Gentoo Esm H88
Critical security alert: mbed TLS exposes several vulnerabilities that may allow for unauthorized remote code execution. Immediate action needed for Gentoo distributions.
Multiple vulnerabilities have been found in mbed TLS, the worst of which could lead to the remote execution of 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 high severity security issue gentoo software update remote execution mbed TLS

Resolution

All mbed TLS users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/mbedtls-2.4.2"

References

[ 1 ] CVE-2015-5291 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5291 [ 2 ] CVE-2015-7575 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7575 [ 3 ] CVE-2017-2784 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-2784

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201706-18
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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 vulnerabilities
Date: June 20, 2017
Bugs: #562608, #571102, #618824
ID: 201706-18

Topics%20covered

Topics Covered

security advisory high severity security issue gentoo software update remote execution mbed TLS

Synopsis

Multiple vulnerabilities have been found in mbed TLS, the worst of which could lead to the remote execution of 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 < 2.4.2 >= 2.4.2

Impact

===== A remote attacker 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.