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ubuntuUbuntuUSN-5688-2
HistoryOct 26, 2022 - 12:00 a.m.

Libksba vulnerability

2022-10-2600:00:00
ubuntu.com
27

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

75.3%

Releases

  • Ubuntu 22.10

Packages

  • libksba - X.509 and CMS support library

Details

USN-5688-1 fixed vulnerabilities in Libksba. This update provides
the corresponding update for Ubuntu 22.10.

Original advisory 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
Ubuntu22.10noarchlibksba8< 1.6.0-3ubuntu1UNKNOWN
Ubuntu22.10noarchlibksba-dev< 1.6.0-3ubuntu1UNKNOWN
Ubuntu22.10noarchlibksba-mingw-w64-dev< 1.6.0-3ubuntu1UNKNOWN
Ubuntu22.10noarchlibksba8-dbgsym< 1.6.0-3ubuntu1UNKNOWN

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

75.3%