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Vulnerability CVE-2022-45142
Published: 2023-03-06 Modified: 2023-03-07
| Description: |
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. |
References: |
https://www.openwall.com/lists/oss-security/2023/02/08/1
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