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Gentoo: GLSA-201605-01 Normal: Git Remote Code Execution Risk

gentoo
Calendar Grey May 2, 2016
Dist Gentoo Esm H88
Several security flaws in Git enable remote execution of arbitrary code. Update to the most recent version to ensure safety.
Git contains multiple vulnerabilities that allow for the remote execution of arbitrary code.

Summary

Git is vulnerable to the remote execution of arbitrary code by cloning repositories with large filenames or a large number of nested trees. Additionally, some protocols within Git, such as git-remote-ext, can execute arbitrary code found within URLs. These URLs that submodules use may come from arbitrary sources (e.g., .gitmodules files in a remote repository), and can effect those who enable recursive fetch. Restrict the allowed protocols to well known and safe ones.

Topics%20covered

Topics Covered

security advisory Gentoo remote execution arbitrary code normal severity Git

Resolution

All Git users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-vcs/git-2.7.3-r1"

References

[ 1 ] Buffer overflow in all git versions before 2.7.1 https://seclists.org/oss-sec/2016/q1/645 [ 2 ] CVE-2015-7545 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7545 [ 3 ] CVE-2016-2315 https://www.cve.org/CVERecord?id=CVE-2016-2315 [ 4 ] CVE-2016-2324 https://www.cve.org/CVERecord?id=CVE-2016-2324

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201605-01
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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: Git: Multiple vulnerabilities
Date: May 02, 2016
Bugs: #562884, #577482
ID: 201605-01

Topics%20covered

Topics Covered

security advisory Gentoo remote execution arbitrary code normal severity Git

Synopsis

Git contains multiple vulnerabilities that allow for the remote execution of arbitrary code.

Background

Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-vcs/git < 2.7.3-r1 >= 2.7.3-r1

Impact

===== Remote attackers could execute arbitrary code on both client and server.

Workaround

There is no known workaround at this time.

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