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GLSA
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Joined: 12 May 2004
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PostPosted: Mon Sep 18, 2017 12:26 am    Post subject: [ GLSA 201709-10 ] Git Reply with quote

Gentoo Linux Security Advisory

Title: Git: Command injection (GLSA 201709-10)
Severity: normal
Exploitable: remote
Date: 2017-09-17
Bug(s): #627488
ID: 201709-10

Synopsis

A command injection vulnerability in Git may allow remote attackers
to execute arbitrary code.


Background

Git is a small and fast distributed version control system designed to
handle small and large projects.


Affected Packages

Package: dev-vcs/git
Vulnerable: < 2.13.5
Unaffected: >= 2.13.5
Architectures: All supported architectures


Description

Specially crafted ‘ssh://...’ URLs may allow the owner of the
repository to execute arbitrary commands on client’s machine if those
commands are already installed on the client’s system. This is
especially dangerous when the third-party repository has one or more
submodules with specially crafted ‘ssh://...’ URLs. Each time the
repository is recursively cloned or submodules are updated the payload
will be triggered.


Impact

A remote attacker, by enticing a user to clone a specially crafted
repository, could possibly execute arbitrary code with the privileges of
the process.


Workaround

There is no known workaround at this time.

Resolution

All Git users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-vcs/git-2.13.5"
   


References


CVE-2017-1000117

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