Denial of service in Squid
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2024-25111 |
| CWE-ID | CWE-674 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Squid Server applications / IDS/IPS systems, Firewalls and proxy servers |
| Vendor | Squid-cache.org |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Uncontrolled recursion
EUVDB-ID: #VU87680
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: CVE-2024-25111
CWE-ID:
CWE-674 - Uncontrolled Recursion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an uncontrolled recursion within the HTTP Chunked decoder when handling HTTP requests. A remote attacker can send a specially crafted chunked encoded HTTP Message to the proxy server and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSquid: 3.5.27 - 6.7
External linkshttp://github.com/squid-cache/squid/security/advisories/GHSA-72c2-c3wm-8qxc
http://www.squid-cache.org/Versions/v6/SQUID-2024_1.patch
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
