Vulnerability identifier: #VU72086
Vulnerability risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
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 execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when executing rules that read the FILES_TMP_CONTENT collection. A remote attacker can upload a specially crafted file on the system, trigger memory corruption and execute arbitrary code on the target system or bypass implemented WAF protection rules.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
ModSecurity: 2.9.0 - 2.9.6
External links
http://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334
http://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7
http://github.com/SpiderLabs/ModSecurity/pull/2857
http://lists.debian.org/debian-lts-announce/2023/01/msg00023.html
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.