CVE-2018-1000858

Name: CVE-2018-1000858
Creator: NVD / NIST
Published: 2018-12-20T17:29:00.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.04%

Last modified Jun 17, 2026

CVE-2018-1000858 is a vulnerability of currently unknown severity. GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.

Metrics

EPSS Probability

1.04%

59.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Gnupg	Gnupg	>= 2.1.12, <= 2.2.11
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10

References

https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.htmlExploit, Third Party Advisory
https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.htmlThird Party Advisory
https://usn.ubuntu.com/3853-1/Third Party Advisory
https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.htmlExploit, Third Party Advisory
https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.htmlThird Party Advisory
https://usn.ubuntu.com/3853-1/Third Party Advisory

Timeline

Published: Dec 20, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000858?

How severe is CVE-2018-1000858?

Severity scoring for CVE-2018-1000858 is pending analysis. The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000858?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000858?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST