Upstream information

CVE-2021-29472 at MITRE

Description

Composer is a dependency manager for PHP. URLs for Mercurial repositories in the root composer.json and package source download URLs are not sanitized correctly. Specifically crafted URL values allow code to be executed in the HgDriver if hg/Mercurial is installed on the system. The impact to Composer users directly is limited as the composer.json file is typically under their own control and source download URLs can only be supplied by third party Composer repositories they explicitly trust to download and execute source code from, e.g. Composer plugins. The main impact is to services passing user input to Composer, including Packagist.org and Private Packagist. This allowed users to trigger remote code execution. The vulnerability has been patched on Packagist.org and Private Packagist within 12h of receiving the initial vulnerability report and based on a review of logs, to the best of our knowledge, was not abused by anyone. Other services/tools using VcsRepository/VcsDriver or derivatives may also be vulnerable and should upgrade their composer/composer dependency immediately. Versions 1.10.22 and 2.0.13 include patches for this issue.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6.5
Vector AV:N/AC:L/Au:S/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 8.8
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector Network
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1185376 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub for SUSE Linux Enterprise 15 SP1
  • php-composer >= 1.10.22-bp151.3.3.1
Patchnames:
openSUSE-2021-1289
SUSE Package Hub for SUSE Linux Enterprise 15 SP2
  • php-composer >= 1.10.22-bp152.2.3.1
Patchnames:
openSUSE-2021-1289
SUSE Package Hub for SUSE Linux Enterprise 15 SP3
  • php-composer >= 1.10.22-bp153.2.3.1
Patchnames:
openSUSE-2021-1289
openSUSE Leap 15.2
  • php-composer >= 1.10.22-lp152.2.3.1
Patchnames:
openSUSE-2021-1289
openSUSE Leap 15.3
  • php-composer >= 1.10.22-bp153.2.3.1
Patchnames:
openSUSE-2021-1289
openSUSE Tumbleweed
  • php-composer >= 1.10.22-2.2
Patchnames:
openSUSE Tumbleweed GA php-composer-1.10.22-2.2