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ubuntuUbuntuUSN-5849-1
HistoryFeb 08, 2023 - 12:00 a.m.

Heimdal vulnerabilities

2023-02-0800:00:00
ubuntu.com
35

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

7.1 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

27.9%

Releases

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

Packages

  • heimdal - Heimdal Kerberos Network Authentication Protocol

Details

Helmut Grohne discovered that Heimdal GSSAPI incorrectly handled logical
conditions that are related to memory management operations.
An attacker could possibly use this issue to cause a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchlibgssapi3-heimdal< 7.7.0+dfsg-1ubuntu1.4UNKNOWN
Ubuntu20.04noarchheimdal-clients< 7.7.0+dfsg-1ubuntu1.4UNKNOWN
Ubuntu20.04noarchheimdal-clients-dbgsym< 7.7.0+dfsg-1ubuntu1.4UNKNOWN
Ubuntu20.04noarchheimdal-dev< 7.7.0+dfsg-1ubuntu1.4UNKNOWN
Ubuntu20.04noarchheimdal-docs< 7.7.0+dfsg-1ubuntu1.4UNKNOWN
Ubuntu20.04noarchheimdal-kcm< 7.7.0+dfsg-1ubuntu1.4UNKNOWN
Ubuntu20.04noarchheimdal-kcm-dbgsym< 7.7.0+dfsg-1ubuntu1.4UNKNOWN
Ubuntu20.04noarchheimdal-kdc< 7.7.0+dfsg-1ubuntu1.4UNKNOWN
Ubuntu20.04noarchheimdal-kdc-dbgsym< 7.7.0+dfsg-1ubuntu1.4UNKNOWN
Ubuntu20.04noarchheimdal-multidev< 7.7.0+dfsg-1ubuntu1.4UNKNOWN
Rows per page:
1-10 of 1851

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

7.1 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

27.9%