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CVE-2018-11235

Published: 30 May 2018

In Git before 2.13.7, 2.14.x before 2.14.4, 2.15.x before 2.15.2, 2.16.x before 2.16.4, and 2.17.x before 2.17.1, remote code execution can occur. With a crafted .gitmodules file, a malicious project can execute an arbitrary script on a machine that runs "git clone --recurse-submodules" because submodule "names" are obtained from this file, and then appended to $GIT_DIR/modules, leading to directory traversal with "../" in a name. Finally, post-checkout hooks from a submodule are executed, bypassing the intended design in which hooks are not obtained from a remote server.

Priority

High

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
git
Launchpad, Ubuntu, Debian
upstream
Released (1:2.17.1-1)
xenial
Released (1:2.7.4-0ubuntu1.4)
artful
Released (1:2.14.1-1ubuntu4.1)
bionic
Released (1:2.17.1-1ubuntu0.1)
trusty
Released (1:1.9.1-1ubuntu0.8)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H