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RUSTSEC-2019-0036

Type confusion if private_get_type_id is overridden

Reported
Issued
Package
failure (crates.io)
Type
INFO Unsound
Keywords
#unsound
Aliases
References
CVSS Score
9.8 CRITICAL
CVSS Details
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Patched
no patched versions
Affected Functions
Version
failure::Fail::__private_get_type_id__
  • >=0.1.0

Description

Safe Rust code can implement malfunctioning __private_get_type_id__ and cause type confusion when downcasting, which is an undefined behavior.

Users who derive Fail trait are not affected.

Advisory available under CC0-1.0 license.