Incorrect Regular Expression in prism - CVE-2021-32723

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Main Vulnerability Database Vulnerabilities #VU59698

Incorrect Regular Expression in prism - CVE-2021-32723

Published: January 18, 2022


Vulnerability identifier: #VU59698
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-32723
CWE-ID: CWE-185
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to insufficient input validation when processing regular expressions in Prism. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


Affected software

prism
Oracle Application Express

How to mitigate CVE-2021-32723

Install update from vendor's website.

prism - update to 1.24.0
Oracle Application Express - update to 21.1.4

External References

Related Security Bulletins