Multiple vulnerabilities in Bitcoin Knots



Published: 2023-12-12
Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2023-40257
CVE-2023-40258
CVE-2023-40259
CWE-ID CWE-254
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		Bitcoin Knots
Server applications / Other server solutions

Vendor Bitcoin Knots

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Security features bypass

EUVDB-ID: #VU84356

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40257

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to an unspecified error in the extended rpcauth wallet-restriction syntax, which is intended to enable semi-trusted local applications using the Bitcoin Knots API to access only specific wallets and not others. A local user can bypass implemented security restrictions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Bitcoin Knots: 0.12.0 - 23.0

External links

http://github.com/bitcoinknots/bitcoin/blob/aed49ce8989334c364a219a6eb016a3897d4e3d7/doc/release-notes.md


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

2) Security features bypass

EUVDB-ID: #VU84357

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40258

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to an unspecified error in the extended rpcauth wallet-restriction syntax, which is intended to enable semi-trusted local applications using the Bitcoin Knots API to access only specific wallets and not others. A local user can bypass implemented security restrictions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Bitcoin Knots: 0.12.0 - 23.0

External links

http://github.com/bitcoinknots/bitcoin/blob/aed49ce8989334c364a219a6eb016a3897d4e3d7/doc/release-notes.md


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

3) Security features bypass

EUVDB-ID: #VU84358

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40259

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to an unspecified error in the extended rpcauth wallet-restriction syntax, which is intended to enable semi-trusted local applications using the Bitcoin Knots API to access only specific wallets and not others. A local user can bypass implemented security restrictions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Bitcoin Knots: 0.12.0 - 23.0

External links

http://github.com/bitcoinknots/bitcoin/blob/aed49ce8989334c364a219a6eb016a3897d4e3d7/doc/release-notes.md


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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