Improper Verification of Cryptographic Signature in The Update Framework (TUF)

1) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU29694

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-6174

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected software does not verify the cryptographic signature for data. A remote attacker can bypass implemented security restrictions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

The Update Framework (TUF): 0.7.2 - 0.12.1

CPE2.3

• cpe:2.3:a:the_update_framework:the_update_framework_tuf:0.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:the_update_framework:the_update_framework_tuf:0.7.5:*:*:*:*:*:*:*
• cpe:2.3:a:the_update_framework:the_update_framework_tuf:0.9.8:*:*:*:*:*:*:*

External links

https://github.com/theupdateframework/tuf/pull/974

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.