CVE-2015-7545 Command injection in n/a
Remote attackers can execute arbitrary code via malicious URLs in Git submodules due to improper protocol restrictions in remote helpers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-7545?
CVE-2015-7545 is a critical command injection vulnerability in Canonical Ubuntu Linux, published on 13 Apr 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The (1) git-remote-ext and (2) unspecified other remote helper programs in Git before 2.3.10, 2.4.x before 2.4.10, 2.5.x before 2.5.4, and 2.6.x before 2.6.1 do not properly restrict the allowed protocols, which might allow remote attackers to execute arbitrary code via a URL in a (a) .gitmodules file or (b) unknown other sources in a submodule.
Which versions are affected by CVE-2015-7545?
It affects 4 products.
Linux distribution packages (40)
emacs-git Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
emacs-git-el Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
git Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
git-all Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
git-bzr Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
git-cvs Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
git-daemon Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
git-debuginfo Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
git-email Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
git-gui Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
git-hg Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
git-p4 Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
git-svn Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
gitk Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
gitweb Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
perl-Git Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
perl-Git-SVN Red Hat:enterprise_linux:7::client | All versions | 0:1.8.3.1-6.el7 |
emacs-git Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
emacs-git-el Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
git Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
git-all Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
git-bzr Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
git-cvs Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
git-daemon Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
git-debuginfo Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
git-email Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
git-gui Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
git-hg Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
git-p4 Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
git-svn Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
gitk Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
gitweb Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
perl-Git Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
perl-Git-SVN Red Hat:enterprise_linux:7::computenode | All versions | 0:1.8.3.1-6.el7 |
emacs-git Red Hat:enterprise_linux:7::server | All versions | 0:1.8.3.1-6.el7 |
emacs-git-el Red Hat:enterprise_linux:7::server | All versions | 0:1.8.3.1-6.el7 |
git Red Hat:enterprise_linux:7::server | All versions | 0:1.8.3.1-6.el7 |
git-all Red Hat:enterprise_linux:7::server | All versions | 0:1.8.3.1-6.el7 |
git-bzr Red Hat:enterprise_linux:7::server | All versions | 0:1.8.3.1-6.el7 |
git-cvs Red Hat:enterprise_linux:7::server | All versions | 0:1.8.3.1-6.el7 |
Products include Canonical Ubuntu Linux, Git Project Git, Opensuse Opensuse, Redhat Software Collections.
How do I fix CVE-2015-7545?
Upgrade to a fixed version.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2015-7545 being exploited?
There is no known exploitation of CVE-2015-7545 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2015-7545, DSA-3435-1, GHSA-3rvg-chjx-7h2j, RHSA-2015:2515, RHSA-2015:2561, SUSE-SU-2015:2025-1 and 3 more.