Information disclosure in Discourse - CVE-2019-15515
Published: August 30, 2019 / Updated: January 29, 2020
Vulnerability identifier: #VU20477
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-15515
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to software sends CSRF token in the query string. A remote attacker can gain access to the token via HTTP Referer header, bypass implemented CSRF protection mechanisms and perform CSRF attack
Affected software
Discourse
Gentoo Linux
Slackware Linux
Opensuse
Gentoo Linux
Slackware Linux
Opensuse
How to mitigate CVE-2019-15515
Install update from vendor's website.
Discourse - update to 2.3.3