HistoryEdit

RUSTSEC-2020-0033

Matrix::new() drops uninitialized memory

Issued
Package
alg_ds (crates.io)
Type
Vulnerability
Aliases
Details
https://gitlab.com/dvshapkin/alg-ds/-/issues/1
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

Description

Matrix::new() internally calls Matrix::fill_with() which uses *ptr = value pattern to initialize the buffer. This pattern assumes that there is an initialized struct at the address and drops it, which results in dropping of uninitialized struct.