Denial of service in Hyperledger Besu



Published: 2022-09-27
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-36025
CWE-ID CWE-196
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Besu
Web applications / JS libraries

Vendor hyperledger

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Unsigned to Signed Conversion Error

EUVDB-ID: #VU67667

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36025

CWE-ID: CWE-196 - Unsigned to Signed Conversion Error

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a gas allocation error in CALL operations. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Besu: 22.4.0 - 22.7.0 RC4

External links

http://github.com/hyperledger/besu/security/advisories/GHSA-4456-w38r-m53x


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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