8.8

CVE-2018-1000858: canonical ubuntu_linux Cross-Site Request Forgery (CSRF)

CVSS: 8.8v3.0HighModified
AliasesMGASA-2019-0108SUSE-SU-2019:0023-1UBUNTU-CVE-2018-1000858
Published 20-12-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-1000858 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in canonical ubuntu_linux. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
1.04%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1
RHSA-2020:4490

Timeline

  1. 20-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.04%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

0.00 pp

From 1.04% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.04%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (sektioneins.de)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Canonical1 product
Debian1 product
  • gnupg2< 2.2.12-1
Gnupg1 product
  • gnupg≥ 2.1.12, ≤ 2.2.11
Mageia1 product
  • gnupg2< 2.1.21-3.2.mga6
Opensuse1 product
  • gpg2&distro=openSUSE Leap 15.0< 2.2.5-lp150.3.6.1
Suse1 product
  • gpg2&distro=SUSE Linux Enterprise Module for Basesystem 15< 2.2.5-4.6.2
Ubuntu1 product
  • gnupg2< 2.2.4-1ubuntu1.2

7 vendors · 7 products

References

14 links
Show all 14 references