ZDI-CAN-11610: (0Day) Squid Cache WCCP Protocol Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Squid Cache. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the WCCP protocol. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the "nobody" user.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Squid Web Proxy Cache |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-11610?
The severity of ZDI-CAN-11610 is classified as high due to the potential for sensitive information disclosure.
How do I fix ZDI-CAN-11610?
To fix ZDI-CAN-11610, update to the latest version of Squid Web Proxy Cache that addresses this vulnerability.
Who can exploit ZDI-CAN-11610?
ZDI-CAN-11610 can be exploited by remote attackers without the need for authentication.
What does ZDI-CAN-11610 affect?
ZDI-CAN-11610 affects installations of Squid Web Proxy Cache particularly concerning the handling of the WCCP protocol.
What type of information can be disclosed through ZDI-CAN-11610?
ZDI-CAN-11610 allows attackers to disclose sensitive information due to improper handling in the WCCP protocol.
- agent/type
- agent/softwarecombine
- agent/severity
- agent/title
- agent/references
- agent/description
- agent/event
- agent/source
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-157
- alias/ZDI-CAN-11610
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/squid
- canonical/squid web proxy cache