CVE-2018-1000858

gnupg2: Cross site request forgery in dirmngr resulting in an information disclosure or denial of service

Severity Score

8.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

GnuPG, de la versión 2.1.12 a la 2.2.11, contiene una vulnerabilidad Cross-Site Request Forgery (CSRF) en dirmngr que puede resultar en CSRF controlado por el atacante, una divulgación de información o una denegación de servicio (DoS). El ataque parece ser explotable mediante una víctima que realice una petición WKD, por ejemplo, la introducción de una dirección de correo electrónico en la ventana "composer" de Thunderbird/Enigmail. La vulnerabilidad parece haber sido solucionada tras el commit con ID 4a4bb874f63741026bd26264c43bb32b1099f060.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-12-20 CVE Reserved
2018-12-20 CVE Published
2024-05-12 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-352: Cross-Site Request Forgery (CSRF)

CAPEC

References (5)

URL	Tag	Source
https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html	Third Party Advisory

URL	Date	SRC
https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html	2024-08-05

URL	Date	SRC

URL	Date	SRC
https://usn.ubuntu.com/3853-1	2019-02-13
https://access.redhat.com/security/cve/CVE-2018-1000858	2020-11-04
https://bugzilla.redhat.com/show_bug.cgi?id=1663917	2020-11-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnupg Search vendor "Gnupg"		Gnupg Search vendor "Gnupg" for product "Gnupg"				>= 2.1.12 <= 2.2.11 Search vendor "Gnupg" for product "Gnupg" and version " >= 2.1.12 <= 2.2.11"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"		-		Affected