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Gentoo: GLSA-202310-06 High: Heimdal Remote Code Execution Risks

gentoo
Calendar Grey October 8, 2023
Dist Gentoo Esm H88
Gentoo Security Advisory 202310-07 highlights severe vulnerabilities within the OpenSSL library that may allow attackers to execute remote code on affected systems.
Multiple vulnerabilities have been discovered in Heimdal, the worst of which could lead to remote code execution on a KDC.

Summary

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.

Topics%20covered

Topics Covered

security advisory high severity remote code execution gentoo linux multiple threats heimdal

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"

References

[ 1 ] CVE-2019-14870 https://nvd.nist.gov/vuln/detail/CVE-2019-14870 [ 2 ] CVE-2021-44758 https://nvd.nist.gov/vuln/detail/CVE-2021-44758 [ 3 ] CVE-2022-3437 https://nvd.nist.gov/vuln/detail/CVE-2022-3437 [ 4 ] CVE-2022-3671 https://nvd.nist.gov/vuln/detail/CVE-2022-3671 [ 5 ] CVE-2022-41916 https://nvd.nist.gov/vuln/detail/CVE-2022-41916 [ 6 ] CVE-2022-42898 https://nvd.nist.gov/vuln/detail/CVE-2022-42898 [ 7 ] CVE-2022-44640 https://nvd.nist.gov/vuln/detail/CVE-2022-44640 [ 8 ] CVE-2022-44758 https://nvd.nist.gov/vuln/detail/CVE-2022-44758 [ 9 ] CVE-2022-45142 https://nvd.nist.gov/vuln/detail/CVE-2022-45142

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202310-06
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: Heimdal: Multiple Vulnerabilities
Date: October 08, 2023
Bugs: #881429, #893722
ID: 202310-06

Topics%20covered

Topics Covered

security advisory high severity remote code execution gentoo linux multiple threats heimdal

Synopsis

Multiple vulnerabilities have been discovered in Heimdal, the worst of which could lead to remote code execution on a KDC.

Background

Heimdal is a free implementation of Kerberos 5.

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Affected Packages

Package Vulnerable Unaffected ----------------- ------------ ------------ app-crypt/heimdal < 7.8.0-r1 >= 7.8.0-r1

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

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