Use of a Broken or Risky Cryptographic Algorithm Affecting gnupg package, versions <2.2.19-r0
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Threat Intelligence
EPSS
0.23% (61st
percentile)
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Test your applications- Snyk ID SNYK-ALPINE38-GNUPG-598605
- published 25 Nov 2019
- disclosed 20 Mar 2020
Introduced: 25 Nov 2019
CVE-2019-14855 Open this link in a new tabHow to fix?
Upgrade Alpine:3.8
gnupg
to version 2.2.19-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gnupg
package and not the gnupg
package as distributed by Alpine
.
See How to fix?
for Alpine:3.8
relevant fixed versions and status.
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.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14855
- https://security-tracker.debian.org/tracker/CVE-2019-14855
- https://dev.gnupg.org/T4755
- https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html
- https://rwc.iacr.org/2020/slides/Leurent.pdf
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855
- https://usn.ubuntu.com/4516-1/
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-14855