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CVE-2019-14855

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Date: March 19, 2020

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.

Language: DEBIAN

Severity Score

Related Resources (11)

https://access.redhat.com/security/cve/CVE-2019-14855
https://rwc.iacr.org/2020/slides/Leurent.pdf
https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html
https://security-tracker.debian.org/tracker/CVE-2019-14855
https://nvd.nist.gov/vuln/detail/CVE-2019-14855
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-14855
https://dev.gnupg.org/T4755
https://security.alpinelinux.org/vuln/CVE-2019-14855
https://usn.ubuntu.com/4516-1/
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855
https://www.mend.io/vulnerability-database/CVE-2019-14855

Severity Score

Weakness Type (CWE)

Inadequate Encryption Strength

CWE-326

Use of a Broken or Risky Cryptographic Algorithm

CWE-327

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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