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GLSA
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Joined: 12 May 2004
Posts: 2226

PostPosted: Thu Sep 24, 2015 10:26 pm    Post subject: [ GLSA 201509-06 ] Git Reply with quote

Gentoo Linux Security Advisory

Title: Git: Arbitrary command execution (GLSA 201509-06)
Severity: normal
Exploitable: remote
Date: September 24, 2015
Bug(s): #532984
ID: 201509-06

Synopsis

An attacker could execute arbitrary commands via Git repositories
in a case-insensitive or case-normalizing filesystem.


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.


Affected Packages

Package: dev-vcs/git
Vulnerable: < 2.0.5
Unaffected: >= 1.8.5.6 < 1.8.5.7
Unaffected: >= 1.9.5 < 1.9.6
Unaffected: >= 2.0.5
Architectures: All supported architectures


Description

A vulnerability in Git causing Git-compatible clients that access
case-insensitive or case-normalizing filesystems to overwrite the
.git/config when cloning or checking out a repository, leading to
execution of arbitrary commands.


Impact

An attacker can execute arbitrary commands on a client machine that
clones a crafted malicious Git tree.


Workaround

There is no known workaround at this time.

Resolution

All Git 1.8.x users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-vcs/git-1.8.5.6"
   
All Git 1.9.x users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-vcs/git-1.9.5"
   
All Git 2.0.x users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-vcs/git-2.0.5"
   


References

CVE-2014-9390
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