Lucene search

K
ubuntuUbuntuUSN-5787-1
HistoryJan 05, 2023 - 12:00 a.m.

Libksba vulnerability

2023-01-0500:00:00
ubuntu.com
48
libksba
crl signatures
ubuntu
denial of service
arbitrary code
vulnerability

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.8%

Releases

  • Ubuntu 22.10
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • libksba - X.509 and CMS support library

Details

It was discovered that Libksba incorrectly handled parsing CRL signatures.
A remote attacker could use this issue to cause Libksba to crash, resulting
in a denial of service, or possibly execute arbitrary code.

Rows per page:
1-10 of 161

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.8%