Cross-site request forgery in GnuPG - CVE-2018-1000858

 

Cross-site request forgery in GnuPG - CVE-2018-1000858

Published: January 10, 2019 / Updated: January 13, 2019


Vulnerability identifier: #VU16937
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1000858
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
GnuPG

Detailed vulnerability description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin within dirmngr. A remote attacker can trick the victim to perform a WKD request (enter an email address in the composer window of Thunderbird/Enigmail) and perform arbitrary actions on behalf of the victim.


How to mitigate CVE-2018-1000858

Install updates from vendor's website.

Sources