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CVE-2022-45142
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CVE-2022-45142
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
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Execution
Exfiltration
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Initial Access
Lateral Movement
Persistence
Privilege Escalation
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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.
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CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below: