Vulnerability identifier: #VU46766
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-400
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
ModSecurity
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor: Trustwave
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources while performing global matching of regular expressions in a combination of the ModSecurity “capture” action. A remote attacker can send a specially crafted HTTP request to the server and perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
ModSecurity: 3.0.0 - 3.0.4
External links
http://coreruleset.org/20200914/cve-2020-15598/
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.