IBM Sterling Partner Engagement Manager update for Apache Shiro

Published: 2022-09-26

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-32532 CVE-2022-22970
CWE-ID	CWE-287 CWE-20
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	IBM Sterling Partner Engagement Manager Server applications / Other server solutions
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authentication

EUVDB-ID: #VU64770

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-32532

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in RegexRequestMatcher configuration. A remote attacker can bypass authentication process and gain unauthorized access to the application. Applications using RegExPatternMatcher with `.` in the regular expression are affected by the vulnerability.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Sterling Partner Engagement Manager: 6.1.2 - 6.2.0.3

External links

http://www.ibm.com/blogs/psirt/security-bulletin-ibm-sterling-partner-engagement-manager-vulnerable-to-denial-of-service-due-to-apache-shiro-cve-2022-32532/
http://www.ibm.com/support/pages/node/6734315

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. However, proof of concept for this vulnerability is available.

2) Input validation error

EUVDB-ID: #VU63084

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-22970

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 within the Spring MVC or Spring WebFlux applications. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.