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: 1.8 [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]
CVE-ID: CVE-2018-1000858
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

GnuPG
Service Telemetry Framework
Migration Toolkit for Containers
Red Hat OpenShift Serverless
Opensuse
Fedora
gnupg2

How to mitigate CVE-2018-1000858

Install updates from vendor's website.

Migration Toolkit for Containers - update to 1.7.3
Red Hat OpenShift Serverless - update to 1.10.2
gnupg2 - addressed in versions 2.2.12-1.fc28, 2.2.12-1.fc29

External References

Related Security Bulletins