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A flawed logical condition allows a malicious actor to remotely
trigger a NULL pointer dereference using a crafted negTokenInit
token.
Upstream notes:
Reported to Heimdal by Michał Kępień <michal@isc.org>.
From the report:
Acknowledgement
---------------
This flaw was found while working on addressing ZDI-CAN-12302: ISC BIND
TKEY Query Heap-based Buffer Overflow Remote Code Execution
Vulnerability, which was reported to ISC by Trend Micro's Zero Day
Security: CVE-2022-3116
Obtained from: upstream 7a19658c1
(cherry picked from commit
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|---|---|---|
| .. | ||
| accept_sec_context.c | ||
| compat.c | ||
| context_stubs.c | ||
| cred_stubs.c | ||
| external.c | ||
| init_sec_context.c | ||
| spnego-private.h | ||
| spnego.asn1 | ||
| spnego.opt | ||
| spnego_locl.h | ||