Remote code execution in crossbeam-channel utility



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-15254
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 crossbeam-channel
Universal components / Libraries / Programming Languages & Components

Vendor Crossbeam

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU47742

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-15254

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the "Vec::from_iter" function in crossbeam-channel. A remote attacker can create a specially crafted data to the application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

crossbeam-channel: 0.3.1 - 0.4.3

CPE2.3 External links

https://github.com/crossbeam-rs/crossbeam/issues/539
https://github.com/crossbeam-rs/crossbeam/pull/533
https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-v5m7-53cv-f3hx
https://github.com/RustSec/advisory-db/pull/425


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.



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