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ubuntuUbuntuUSN-5688-1
HistoryOct 19, 2022 - 12:00 a.m.

Libksba vulnerability

2022-10-1900:00:00
ubuntu.com
132
libksba
integer overflow
ubuntu
x.509
cms
denial of service
arbitrary code
security
vulnerability

CVSS3

9.8

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

AI Score

10

Confidence

High

EPSS

0.017

Percentile

88.0%

Releases

  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • libksba - X.509 and CMS support library

Details

It was discovered that an integer overflow could be triggered in Libksba
when decoding certain data. An attacker could use this issue to cause a
denial of service (application crash) or possibly execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu22.04noarchlibksba8<ย 1.6.0-2ubuntu0.1UNKNOWN
Ubuntu22.04noarchlibksba-dev<ย 1.6.0-2ubuntu0.1UNKNOWN
Ubuntu22.04noarchlibksba-mingw-w64-dev<ย 1.6.0-2ubuntu0.1UNKNOWN
Ubuntu22.04noarchlibksba8-dbgsym<ย 1.6.0-2ubuntu0.1UNKNOWN
Ubuntu20.04noarchlibksba8<ย 1.3.5-2ubuntu0.20.04.1UNKNOWN
Ubuntu20.04noarchlibksba-dev<ย 1.3.5-2ubuntu0.20.04.1UNKNOWN
Ubuntu20.04noarchlibksba-mingw-w64-dev<ย 1.3.5-2ubuntu0.20.04.1UNKNOWN
Ubuntu20.04noarchlibksba8-dbgsym<ย 1.3.5-2ubuntu0.20.04.1UNKNOWN
Ubuntu18.04noarchlibksba8<ย 1.3.5-2ubuntu0.18.04.1UNKNOWN
Ubuntu18.04noarchlibksba-dev<ย 1.3.5-2ubuntu0.18.04.1UNKNOWN
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CVSS3

9.8

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

AI Score

10

Confidence

High

EPSS

0.017

Percentile

88.0%