SUSE update for rubygem-rack

Published: 2022-07-04

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	SUSE Linux Enterprise High Availability Operating systems & Components / Operating system SUSE Manager Proxy Operating systems & Components / Operating system SUSE Manager Retail Branch Server Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system ruby2.5-rubygem-rack-testsuite Operating systems & Components / Operating system package or component ruby2.5-rubygem-rack-doc Operating systems & Components / Operating system package or component ruby2.5-rubygem-rack Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU64862

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

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 package rubygem-rack to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability: 15-SP1 - 15-SP4

SUSE Manager Proxy: 4.0 - 4.2

SUSE Manager Retail Branch Server: 4.0 - 4.2

SUSE Manager Server: 4.0 - 4.2

SUSE Linux Enterprise Server for SAP Applications: 15-SP1 - 15

SUSE Linux Enterprise High Performance Computing: 15-SP1 - 15

SUSE Linux Enterprise Server: 15-SP1 - 15-SP4

openSUSE Leap: 15.3 - 15.4

ruby2.5-rubygem-rack-testsuite: before 2.0.8-150000.3.6.1

ruby2.5-rubygem-rack-doc: before 2.0.8-150000.3.6.1

ruby2.5-rubygem-rack: before 2.0.8-150000.3.6.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20222192-1/

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

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-30123

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