Vulnerability identifier: #VU64770

Vulnerability 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

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Apache Shiro
Universal components / Libraries / Software for developers

Vendor: Apache Foundation

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 updates from vendor's website.

Vulnerable software versions

Apache Shiro: 1.0.0 - 1.9.0

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External links
http://seclists.org/oss-sec/2022/q2/215

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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.