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Gentoo: GLSA-201701-02 Normal: Bash Code Execution Threats

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Calendar Grey January 1, 2017
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Explore the recent Gentoo Security Notice regarding vulnerabilities in Bash that require immediate attention and fixes.
Multiple vulnerabilities were found in Bash, the worst of which may allow execution of arbitrary code.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo code execution Denial of Service execution threat Bash

Resolution

All Bash users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-shells/bash-4.3_p48-r1"

References

[ 1 ] CVE-2016-7543 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7543 [ 2 ] CVE-2016-9401 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9401

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201701-02
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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: Normal
Title: Bash: Multiple vulnerabilities
Date: January 01, 2017
Bugs: #595268, #600174
ID: 201701-02

Topics%20covered

Topics Covered

security advisory Gentoo code execution Denial of Service execution threat Bash

Synopsis

Multiple vulnerabilities were found in Bash, the worst of which may allow execution of arbitrary code.

Background

Bash is the standard GNU Bourne Again SHell.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-shells/bash < 4.3_p48-r1 >= 4.3_p48-r1

Impact

===== A local 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.