Gentoo update for Rack

Published: 2023-10-30

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-30122 CVE-2022-30123
CWE-ID	CWE-20 CWE-78
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Gentoo Linux Operating systems & Components / Operating system dev-ruby/rack Operating systems & Components / Operating system package or component
Vendor	Gentoo

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU64862

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-30122

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input when parsing multipart POST requests. A remote attacker can send specially crafted multipart POST requests to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages.
dev-ruby/rack to version: 2.2.3.1

Vulnerable software versions

Gentoo Linux: All versions

dev-ruby/rack: before 2.2.3.1

CPE2.3

External links

https://security.gentoo.org/glsa/202310-18

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.

2) OS Command Injection

EUVDB-ID: #VU64863

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-2022-30123

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')