Git could be made to run programs as your login if it recursively opened a malicious git repository.
It was discovered that git did not properly validate git submodule urls or paths. A remote attacker could possibly use this to craft a git repository that causes arbitrary code execution when recursive operations are used.
12 October 2018
A security issue affects these releases of Ubuntu and its derivatives:
Git could be made to run programs as your login if it recursively opened a malicious git repository.
It was discovered that git did not properly validate git submodule urls or paths. A remote attacker could possibly use this to craft a git repository that causes arbitrary code execution when recursive operations are used.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon