CVE-2019-14855
GnuPG SHA-1 Certificate Signing Forgery
Description
A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.
INFO
Published Date :
March 20, 2020, 4:15 p.m.
Last Modified :
Nov. 21, 2024, 4:27 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2019-14855 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2019-14855
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-14855.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855 | Issue Tracking Third Party Advisory |
| https://dev.gnupg.org/T4755 | Vendor Advisory |
| https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html | Mailing List Release Notes Vendor Advisory |
| https://rwc.iacr.org/2020/slides/Leurent.pdf | Exploit Third Party Advisory |
| https://usn.ubuntu.com/4516-1/ | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855 | Issue Tracking Third Party Advisory |
| https://dev.gnupg.org/T4755 | Vendor Advisory |
| https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html | Mailing List Release Notes Vendor Advisory |
| https://rwc.iacr.org/2020/slides/Leurent.pdf | Exploit Third Party Advisory |
| https://usn.ubuntu.com/4516-1/ | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A command line tool which provides an alternative interface to snyk test
snyk
Makefile Dockerfile Crystal Open Policy Agent
A history of PGP-related vulnerabilities
Chosen-Prefix Collision Attack Against SHA-1 Hash Function
CSS HTML
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-14855 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-14855 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855 Added Reference https://dev.gnupg.org/T4755 Added Reference https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html Added Reference https://rwc.iacr.org/2020/slides/Leurent.pdf Added Reference https://usn.ubuntu.com/4516-1/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Nov. 08, 2022
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 07, 2022
Action Type Old Value New Value Removed CWE Red Hat, Inc. CWE-327 Added CWE Red Hat, Inc. CWE-326 Removed CWE Reason CWE-327 / More specific CWE option available -
Modified Analysis by [email protected]
Oct. 29, 2021
Action Type Old Value New Value Changed Reference Type https://usn.ubuntu.com/4516-1/ No Types Assigned https://usn.ubuntu.com/4516-1/ Third Party Advisory Removed CWE NIST CWE-327 Added CWE NIST CWE-326 Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* -
CVE Modified by [email protected]
Sep. 22, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4516-1/ [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 24, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855 Issue Tracking, Third Party Advisory Changed Reference Type https://dev.gnupg.org/T4755 No Types Assigned https://dev.gnupg.org/T4755 Vendor Advisory Changed Reference Type https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html No Types Assigned https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html Mailing List, Release Notes, Vendor Advisory Changed Reference Type https://rwc.iacr.org/2020/slides/Leurent.pdf No Types Assigned https://rwc.iacr.org/2020/slides/Leurent.pdf Exploit, Third Party Advisory Added CWE NIST CWE-327 Added CPE Configuration OR *cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:* versions up to (excluding) 2.2.18 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-14855 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-14855
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.11 }} -0.12%
score
0.45480
percentile