CVE-2019-14855

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855	Issue Tracking Third Party Advisory
https://rwc.iacr.org/2020/slides/Leurent.pdf	Exploit Third Party Advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html	Mailing List Release Notes Vendor Advisory
https://dev.gnupg.org/T4755	Vendor Advisory
https://usn.ubuntu.com/4516-1/	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:30:::::::*
	cpe:2.3:o:fedoraproject:fedora:31:::::::*

Configuration 3 (hide)

cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

Information

Published : 2020-03-20 09:15

Updated : 2022-11-07 18:28

NVD link : CVE-2019-14855

Mitre link : CVE-2019-14855

JSON object : View

CWE

CWE-326

Inadequate Encryption Strength

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Products Affected

canonical

ubuntu_linux

gnupg

gnupg

fedoraproject

fedora

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