Vulnerability identifier: #VU49110

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
try-mutex
Universal components / Libraries / Programming Languages & Components

Vendor: Mike Pedersen

Description

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

The vulnerability exists due to unconditional implementation of Sync trait for TryMutex type. An attacker can exploit the race to put non-Send T type in TryMutex and send it to another thread.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

try-mutex: 0.1.0 - 0.2.0

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External links
http://rustsec.org/advisories/RUSTSEC-2020-0087.html

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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.