VULNERABILITY INTELLIGENCE

CVE-2019-19191

CVSS score7.8 HIGH
EPSS probability0.50%
CISA KEVNot currently listed
Published2019-11-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Shibboleth Service Provider (SP) 3.x before 3.1.0 shipped a spec file that calls chown on files in a directory controlled by the service user (the shibd account) after installation. This allows the user to escalate to root by pointing symlinks to files such as /etc/shadow.

Weakness classification

  • CWE-59: Improper Link Resolution Before File Access ('Link Following')

Primary references