PT-2018-3457 · Gnu+8 · Gnupg+9
Ben Fuhrmannek
·
Published
2018-12-20
·
Updated
2020-11-04
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CVE-2018-1000858
CVSS v2.0
6.8
Medium
| Vector | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Name of the Vulnerable Software and Affected Versions:
GnuPG versions 2.1.12 through 2.2.11
Description:
The issue is related to insufficient handling of authorization requests in the GnuPG program, which can lead to a Cross-Site Request Forgery (CSRF) attack. This can result in an attacker-controlled CSRF, information disclosure, or a denial-of-service (DoS) attack. The attack appears to be exploitable when a victim performs a Web Key Directory (WKD) request, such as entering an email address in the composer window of Thunderbird/Enigmail.
Recommendations:
For GnuPG versions 2.1.12 through 2.2.11, update to a version that includes the fix committed after 4a4bb874f63741026bd26264c43bb32b1099f060 to resolve the issue.
As a temporary workaround, consider restricting access to the
dirmngr component to minimize the risk of exploitation.Exploit
Fix
DoS
CSRF
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Centos
Enigmail
Gnupg
Red Hat
Rocky Linux
Suse
Thunderbird
Ubuntu