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CVE-2017-8386

Status Candidate

Overview

git-shell in git before 2.4.12, 2.5.x before 2.5.6, 2.6.x before 2.6.7, 2.7.x before 2.7.5, 2.8.x before 2.8.5, 2.9.x before 2.9.4, 2.10.x before 2.10.3, 2.11.x before 2.11.2, and 2.12.x before 2.12.3 might allow remote authenticated users to gain privileges via a repository name that starts with a - (dash) character.

Related Files

Red Hat Security Advisory 2017-2491-01
Posted Aug 18, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2491-01 - Git is a distributed revision control system with a decentralized architecture. As opposed to centralized version control systems with a client-server model, Git ensures that each working copy of a Git repository is an exact copy with complete revision history. This not only allows the user to work on and contribute to projects without the need to have permission to push the changes to their official repositories, but also makes it possible for the user to work with no network connection. Security Fix: A shell command injection flaw related to the handling of "ssh" URLs has been discovered in Git. An attacker could use this flaw to execute shell commands with the privileges of the user running the Git client, for example, when performing a "clone" action on a malicious repository or a legitimate repository containing a malicious commit.

tags | advisory, shell
systems | linux, redhat
advisories | CVE-2017-1000117, CVE-2017-8386
MD5 | 2f87d3f7e18f8ea1608c332b3ef8877c
Red Hat Security Advisory 2017-2004-01
Posted Aug 2, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2004-01 - Git is a distributed revision control system with a decentralized architecture. As opposed to centralized version control systems with a client-server model, Git ensures that each working copy of a Git repository is an exact copy with complete revision history. This not only allows the user to work on and contribute to projects without the need to have permission to push the changes to their official repositories, but also makes it possible for the user to work with no network connection. Security Fix: It was found that the git-prompt.sh script shipped with git failed to correctly handle branch names containing special characters. A specially crafted git repository could use this flaw to execute arbitrary commands if a user working with the repository configured their shell to include repository information in the prompt.

tags | advisory, arbitrary, shell
systems | linux, redhat
advisories | CVE-2014-9938, CVE-2017-8386
MD5 | 6bbb834b668f4ee66e6f028007fbfffa
Gentoo Linux Security Advisory 201706-04
Posted Jun 6, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201706-4 - A vulnerability in Git might allow remote attackers to bypass security restrictions. Versions less than 2.13.0 are affected.

tags | advisory, remote
systems | linux, gentoo
advisories | CVE-2017-8386
MD5 | 8c2c6a30d4c7917d2d49d1ff736ff0de
Ubuntu Security Notice USN-3287-1
Posted May 15, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3287-1 - Timo Schmid discovered that the Git restricted shell incorrectly filtered allowed commands. A remote attacker could possibly use this issue to run an interactive pager and access sensitive information.

tags | advisory, remote, shell
systems | linux, ubuntu
advisories | CVE-2017-8386
MD5 | 0110cf09f15d41eb58c3c144079994c7
Debian Security Advisory 3848-1
Posted May 10, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3848-1 - Timo Schmid of ERNW GmbH discovered that the Git git-shell, a restricted login shell for Git-only SSH access, allows a user to run an interactive pager by causing it to spawn "git upload-pack --help".

tags | advisory, shell
systems | linux, debian
advisories | CVE-2017-8386
MD5 | e60c0d507349db5ea9c6655ff7195174
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