PT-2019-12240 · Symfony · Symfony

Nicolas-Grekas · Published 2019-11-21 · Updated 2020-08-24 · CVE-2019-11325

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Symfony versions prior to 4.2.12 Symfony versions 4.3.x prior to 4.3.8

Description An issue in the VarExport component of Symfony allows specially crafted strings to escalate to the execution of arbitrary PHP code due to incorrect string escaping. This issue is related to the symfony/var-exporter component.

Recommendations For Symfony versions prior to 4.2.12, update to version 4.2.12 or later. For Symfony versions 4.3.x prior to 4.3.8, update to version 4.3.8 or later.

Exploit

Fix

Improper Encoding or Escaping of Output

Weakness Enumeration

CWE-116

Related Identifiers

CVE-2019-11325

GHSA-W4RC-RX25-8M86

Affected Products

Symfony

References · 16

• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/var-exporter/CVE-2019-11325.yaml · Exploit
• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2019-11325.yaml · Exploit
• https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3 · Patch
• https://symfony.com/blog/symfony-4-3-8-released · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-11325 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-11325 · Vendor Advisory
• https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporter · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-11325 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-11325 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-11325 · Security Note
• https://cve.org/CVERecord?id=CVE-2019-11325 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2019-11325 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-w4rc-rx25-8m86 · Vendor Advisory
• https://github.com/symfony/symfony/releases/tag/v4.3.8 · Note
• https://github.com/symfony/symfony/commit/0524868cbf3d3a36e0af804432016d5a6d98169a · Note