Squid Proxy up to 2.5 Stable4 Access Control List privileges management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.6 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Squid Proxy up to 2.5 Stable4 (Firewall Software). Affected is an unknown part of the component Access Control List. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
The "%xx" URL decoding function in Squid 2.5STABLE4 and earlier allows remote attackers to bypass url_regex ACLs via a URL with a NULL ("%00") characterm, which causes Squid to use only a portion of the requested URL when comparing it against the access control lists.
The weakness was shared 02/29/2004 by Mitch Adair (Website). The advisory is available at squid-cache.org. This vulnerability is traded as CVE-2004-0189. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but an exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.
After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 14124 (Mandrake Linux Security Advisory : squid (MDKSA-2004:025)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l.
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (15366) and Tenable (14124).
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
ATT&CK: T1068
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 14124
Nessus Name: Mandrake Linux Security Advisory : squid (MDKSA-2004:025)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 53172
OpenVAS Name: Debian Security Advisory DSA 474-1 (squid)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍
ISS Proventia IPS: 🔍
Timeline
02/29/2004 🔍02/29/2004 🔍
03/01/2004 🔍
03/01/2004 🔍
03/15/2004 🔍
03/30/2004 🔍
04/14/2004 🔍
05/06/2004 🔍
07/31/2004 🔍
10/15/2014 🔍
05/21/2019 🔍
Sources
Vendor: squid-cache.orgAdvisory: squid-cache.org
Researcher: Mitch Adair
Status: Not defined
Confirmation: 🔍
CVE: CVE-2004-0189 (🔍)
OVAL: 🔍
X-Force: 15366
Vulnerability Center: 4136 - Squid <= 2.5STABLE4 Allow ACLs Bypass, Medium
SecurityFocus: 9778 - Squid Proxy NULL URL Character Unauthorized Access Vulnerability
OSVDB: 5916 - Squid Proxy %xx URL Encoding ACL Bypass
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 10/15/2014 15:41Updated: 05/21/2019 06:42
Changes: 10/15/2014 15:41 (78), 05/21/2019 06:42 (4)
Complete: 🔍
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