Denial of service in ipfs go-merkledag



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-23495
CWE-ID CWE-703
Exploitation vector Network
Public exploit N/A
Vulnerable software
 go-merkledag
Other software / Other software solutions

Vendor ipfs

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Check or Handling of Exceptional Conditions

EUVDB-ID: #VU70098

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-23495

CWE-ID: CWE-703 - Improper Check or Handling of Exceptional Conditions

Exploit availability: No

Description

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

The vulnerability exists due to the way ProtoNode can be configured. A remote attacker can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

go-merkledag: 0.4.0 - 0.8.0

CPE2.3 External links

https://github.com/ipfs/go-merkledag/releases/tag/v0.8.1
https://github.com/ipfs/go-merkledag/releases/tag/v0.8.0
https://github.com/ipfs/go-merkledag/pull/93
https://github.com/ipfs/go-merkledag/security/advisories/GHSA-x39j-h85h-3f46
https://github.com/ipfs/go-merkledag/pull/91
https://github.com/ipfs/kubo/issues/9297
https://github.com/ipfs/go-merkledag/pull/92
https://github.com/ipfs/go-merkledag/issues/90


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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