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FreeBSD: (Multiple Advisories) (CVE-2022-3437): FreeBSD -- Multiple vulnerabilities in Heimdal

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FreeBSD: (Multiple Advisories) (CVE-2022-3437): FreeBSD -- Multiple vulnerabilities in Heimdal

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/02/2022
Created
11/08/2022
Added
11/04/2022
Modified
08/31/2023

Description

A heap-based buffer overflow vulnerability was found in Samba within the GSSAPI unwrap_des() and unwrap_des3() routines of Heimdal. The DES and Triple-DES decryption routines in the Heimdal GSSAPI library allow a length-limited write buffer overflow on malloc() allocated memory when presented with a maliciously small packet. This flaw allows a remote user to send specially crafted malicious data to the application, possibly resulting in a denial of service (DoS) attack.

Solution(s)

  • freebsd-upgrade-base-12_3-release-p9
  • freebsd-upgrade-base-13_1-release-p4
  • freebsd-upgrade-package-samba412
  • freebsd-upgrade-package-samba413
  • freebsd-upgrade-package-samba416

References

  • CVE-2022-3437
  • USN-5800-1
  • USN-5822-1

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