Incorrect Regular Expression in IBM Edge Application Manager
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-23362 |
| CWE-ID | CWE-185 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
IBM Edge Application Manager Client/Desktop applications / Software for system administration |
| Vendor | IBM Corporation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Incorrect Regular Expression
EUVDB-ID: #VU61255
Risk: Medium
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]
CVE-ID: CVE-2021-23362
CWE-ID:
CWE-185 - Incorrect Regular Expression
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing regular expression "shortcutMatch" in the "fromUrl" function. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Install update from vendor's website.
Vulnerable software versionsIBM Edge Application Manager: 4.3 - 4.4
External linkshttp://www.ibm.com/support/pages/node/6991609
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.
