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gentooGentoo FoundationGLSA-202310-06
HistoryOct 08, 2023 - 12:00 a.m.

Heimdal: Multiple Vulnerabilities

2023-10-0800:00:00
Gentoo Foundation
security.gentoo.org
19

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

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

0.018 Low

EPSS

Percentile

88.1%

Background

Heimdal is a free implementation of Kerberos 5.

Description

Multiple vulnerabilities have been discovered in Heimdal, the worst of which could lead to remote code execution on a Kerberos Domain Controller. Please review the CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All Cross-realm trust vulnerability in Heimdal users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-crypt/heimdal-7.8.0-r1"
OSVersionArchitecturePackageVersionFilename
Gentooanyallapp-crypt/heimdal< 7.8.0-r1UNKNOWN

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

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

0.018 Low

EPSS

Percentile

88.1%