ROS-2-447

2.447 Vulnerability in Git (CVE-2020-11008, CVE-2020-5260)

1. Vulnerability Description:

Vulnerability in Git. The vulnerability affects the “credential.helper” handlers and is exploited when a specially crafted URL containing a newline character, an empty host, or an unspecified request scheme is passed. When processing such a URL, credential.helper sends credential information that does not match the requested protocol or host being accessed.

2. Possible remedial measures to address the vulnerability

- stop using Git source control system; - do not use credential.helper when accessing public repositories and do not use “git clone” in “–recurse-submodules” mode with unverified repositories; or - install security updates for package: git-1.8.3**Installing updates is possible in the following ways:**a) if the computer with the installed OS version has access to the vendor’s official repository, you need to run the update as administrator with the command:# yum updateWhen the list of updated packages is displayed, agree to apply updates by pressing the Y key on the keyboard. Wait until the update installation is complete and make sure that there are no errors during its installation.b)If the computer with the installed OS version does not have access to the vendor’s official repository, you should perform the following actions: - download the updated package (and dependencies if necessary): http://repo.red-soft.ru/redos/7.2c/x86_64/updates/git-1.8.3.1-14.el7.x86_64.rpm Check the package integrity and authenticity by instructionsInstall the downloaded package with the command:# yum localinstall git-1.8.3.1.1-14.el7.x86_64.rpmWhen the list of updated packages is displayed, agree to apply the updates by pressingY on the keyboard. Wait for the updates to finish installing and make sure there are no errors during installation.

Date of last modification: 08.09.2021