CVE-2019-14855

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2019-14855
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-03-20T16:15:14
  • Last Modified Date
  • 2022-11-08T02:28:51
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:* 1 OR 2.2.18
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
History
Created Old Value New Value Data Type Notes
2022-05-10 06:49:08 Added to TrackCVE
2022-12-04 13:11:22 2020-03-20T16:15Z 2020-03-20T16:15:14 CVE Published Date updated
2022-12-04 13:11:22 2022-11-08T02:28:51 CVE Modified Date updated
2022-12-04 13:11:22 Analyzed Vulnerability Status updated