Brute-force attack in sorcery package

1) Improper Restriction of Excessive Authentication Attempts

EUVDB-ID: #VU27921

Risk: High

CVSSv4.0: 6.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-11052

CWE-ID: CWE-307 - Improper Restriction of Excessive Authentication Attempts

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to the system.

The vulnerability exists due to the authentication mechanism has no brute-force prevention. A remote attacker can launch a brute-force authentication attack and gain access to the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

sorcery: 0.1.0 - 0.14.0

CPE2.3

• cpe:2.3:a:ruby:sorcery:0.1.0:*:*:*:*:rubygems:*:*
• cpe:2.3:a:ruby:sorcery:0.1.1:*:*:*:*:rubygems:*:*
• cpe:2.3:a:ruby:sorcery:0.1.2:*:*:*:*:rubygems:*:*

External links

https://github.com/Sorcery/sorcery/commit/0f116d223826895a73b12492f17486e5d54ab7a7
https://github.com/Sorcery/sorcery/issues/231
https://github.com/Sorcery/sorcery/pull/235
https://github.com/Sorcery/sorcery/security/advisories/GHSA-jc8m-cxhj-668x

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.