Vulnerability Monitor

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CVE-2022-45142

The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!= 0" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches (and possibly other branches) a logic inversion sneaked in causing the validation of message integrity codes in gssapi/arcfour to be inverted.

Published

2023-03-06T23:15:11.233

Last Modified

2025-03-06T21:15:13.223

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses

Type: Secondary
CWE-354
Type: Primary
CWE-354

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	heimdal_project	heimdal	7.7.1	Yes
Application	heimdal_project	heimdal	7.8.0	Yes

References

https://security.gentoo.org/glsa/202310-06 ([email protected])
https://www.openwall.com/lists/oss-security/2023/02/08/1 Mailing List ([email protected])
https://security.gentoo.org/glsa/202310-06 (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2023/02/08/1 Mailing List (af854a3a-2127-422b-91ae-364da2661108)