Race condition in Kanidm concread crate for Rust

1) Race condition

EUVDB-ID: #VU49109

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows an attacker to escalate privileges within the application.

The vulnerability exists due to unconditional implementation of Send/Sync traits for ARCache type. An  attacker can exploit the race and send/access types that do not implement Send/Sync

Mitigation

Install updates from vendor's website.

Vulnerable software versions

concread: 0.1.9 - 0.2.5

External links

http://rustsec.org/advisories/RUSTSEC-2020-0092.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.