Incorrect regular expression in IBM QRadar Assistant



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3765
CWE-ID CWE-185
Exploitation vector Network
Public exploit N/A
Vulnerable software
 QRadar Assistant
Other software / Other software solutions

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Incorrect Regular Expression

EUVDB-ID: #VU68281

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-3765

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a regular expression denial of service (ReDoS) attack.

The vulnerability exists due to improper input validation when handling user-supplied input. A remote attacker can pass specially crafted data to the application and perform a regular expression denial of service (ReDoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

QRadar Assistant: before 3.6.0

CPE2.3 External links

https://www.ibm.com/support/pages/node/6980839


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.



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