High severity · published Dec 20, 2018
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
8.8
CVSS
1%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GN
Gnupg · Gnupg
2.1.12 through 2.2.11 · source: NVD
UL
Ubuntu Linux · Canonical
18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1000858
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-1000858
Exploit
https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html
Third Party Advisory
https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html
Third Party Advisory
https://usn.ubuntu.com/3853-1/
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