CSRF in Gnupg
CVE-2018-1000858
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (62.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Gnupg
- Canonical Ubuntu Linux — versions 18.04, 18.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sektioneins.de/en/blog/18-11-23-gnupg-wkd.html (Third Party Advisory)
- usn.ubuntu.com/3853-1/ (vendor-advisory, Third Party Advisory)
- sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-1000858?
- CVE-2018-1000858 is a high-severity vulnerability in Gnupg, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-12-20.
- How severe is CVE-2018-1000858?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-1000858 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.