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THREATINT
PUBLISHED

CVE-2023-50434



Assignermitre
Reserved2023-12-09
Published2024-04-29
Updated2024-08-02

Description

emdns_resolve_raw in emdns.c in emdns through fbd1eef calls strlen with an input that may not be '\0' terminated, leading to a stack-based buffer over-read. This can be triggered by a remote adversary that can send DNS requests to the emdns server. The impact could vary depending on the system libraries, compiler, and processor architecture. Code before be565c3 is unaffected.

References

https://papers.mathyvanhoef.com/esorics2024.pdf

cve.org CVE-2023-50434

nvd.nist.gov CVE-2023-50434

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