8.1 CVE-2025-62518

 

astral-tokio-tar is a tar archive reading/writing library for async Rust. Versions of astral-tokio-tar prior to 0.5.6 contain a boundary parsing vulnerability that allows attackers to smuggle additional archive entries by exploiting inconsistent PAX/ustar header handling. When processing archives with PAX-extended headers containing size overrides, the parser incorrectly advances stream position based on ustar header size (often zero) instead of the PAX-specified size, causing it to interpret file content as legitimate tar headers. This issue has been patched in version 0.5.6. There are no workarounds.
https://nvd.nist.gov/vuln/detail/CVE-2025-62518

Categories

CWE-843 : Access of Resource Using Incompatible Type ('Type Confusion')
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. Type confusion in CSS sequence leads to out-of-bounds read. Size inconsistency allows code execution, first discovered when it was actively exploited in-the-wild. Improperly-parsed file containing records of different types leads to code execution when a memory location is interpreted as a different object than intended.

References


 

CPE

cpe start end

REMEDIATION


EXPLOITS

Exploit-db.com

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No known exploits

POC Github

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Other Nist (github, ...)

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No known exploits

CAPEC

Common Attack Pattern Enumerations and Classifications

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No entry