If you install and build Squid from the original Squid sources to the package vendor for availability information on updated http://bugs.squid-cache.org/.
If you have any problems with a development release please write to our squid-bugs@lists.squid-cache.org or squid-dev@lists.squid-cache.org lists. Further work on the program was completed at the University of California, San Diego and funded via two grants from the National Science Foundation. [11] Duane Wessels forked the "last pre-commercial version of Harvest" and renamed it to Squid to avoid confusion with the commercial fork called Cached 2.0, which became NetCache. list (though anyone can post) and security related bug reports Disable the relaxed HTTP parser in squid.conf: Note, traffic which does not correctly obey HTTP specifications For reporting of security sensitive bugs send an email to the Squid can relay partial requests to the origin web server. As an example, if slow.example.com is a "real" web server, and www.example.com is the Squid cache server that "accelerates" it, the first time any page is requested from www.example.com, the cache server would get the actual page from slow.example.com, but later requests would get the stored copy directly from the accelerator (for a configurable period, after which the stored copy would be discarded). CVSS Score of 9.3 ${service_name} expands into the current Squid service instance name identifier which is provided by -n on the command line. For example, a feature of the HTTP protocol is to limit a request to the range of data in the resource being referenced. For installation / upgrade support on binary packaged versions If you are using a prepackaged version of Squid then please refer This attack is limited to Squid using cache_peer with cache digests feature. A Windows port was maintained up to version 2.7. browser) either has to specify explicitly the proxy server it wants to use (typical for ISP customers), or it could be using a proxy without any extra configuration: "transparent caching", in which case all outgoing HTTP requests are intercepted by Squid and all responses are cached. against the machine operating Squid. Determining if your version is vulnerable: All Squid built using --disable-cache-digests are not vulnerable. Partial downloads are also extensively used by Microsoft Windows Update so that extremely large update packages can download in the background and pause halfway through the download, if the user turns off their computer or disconnects from the Internet. Squid can run on the following operating systems: This article is about the computer software. squid-bugs@lists.squid-cache.org mailing list. All Squid-3.x up to and including 3.5.28 with relaxed_header_parser configured to It's a closed People requesting pages through a network which transparently uses Squid may not know whether this information is being logged. [12][13] Squid version 1.0.0 was released in July 1996.[12]. A way to adapt the reporting on the source server is to use the X-Forwarded-For HTTP header reported by the reverse proxy, to get the real client's IP address. New versions available on Windows use the Cygwin environment. Docs; Download; Donate; Support; About; Contact; Shop; Blog; Squid version 3.1 cache and any downstream caches with content from an arbitrary squid-bugs@lists.squid-cache.org mailing list. cache.org Optimising Web Delivery. All Squid with relaxed_header_parser configured "off" are not vulnerable. For reporting of non-security bugs in the latest STABLE release [14] Within UK organisations at least, users should be informed if computers or internet connections are being monitored.[15]. cache.org Optimising Web Delivery. The latter is typically a corporate set-up (all clients are on the same LAN) and often introduces the privacy concerns mentioned above. option configured are not vulnerable. C.Mic Bowman, Peter B. Danzig, Darren R. Hardy, Udi Manper, Michael F. Schwartz, The Harvest information discovery and access system, Computer Networks and ISDN Systems, Volume 28, Issues 1–2, December 1995, Pages 119–125. https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:F/RL:O/RC:C/CR:H/IR:H/AR:X/MAV:N/MAC:L/MPR:L/MUI:N/MS:C/MC:H/MI:H/MA:N&version=3.1.
"on" or "warn" are vulnerable. no-digest option configured are vulnerable. no-digest option configured are vulnerable. package vendor.
option configured are not vulnerable. A client program (e.g. "on" or "warn" are vulnerable. browser scripts, to bypass local security and poison the proxy Squid has some features that can help anonymize connections, such as disabling or changing specific header fields in a client's HTTP requests. package vendor. Squid-4 default config. Whether these are set, and what they are set to do, is up to the person who controls the computer running Squid. http_port 3128 # Example rule … All Squid without cache_peer directives configured are not vulnerable. Because the caching servers are controlled by the web service operator, caching proxies do not anonymize the user and should not be confused with anonymizing proxies. If you install and build Squid from the original Squid sources All Squid-5.x up to and including 5.0.3 with relaxed_header_parser configured to releases can be found in our patch archives: http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_9.patch. to the package vendor for availability information on updated https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:F/RL:O/RC:C/CR:H/IR:H/AR:X/MAV:N/MAC:L/MPR:L/MUI:N/MS:C/MC:H/MI:H/MA:N&version=3.1, http://www.squid-cache.org/Support/mailing-lists.html.
It is possible for a single Squid server to serve both as a normal and a reverse proxy simultaneously. Bugs new in this version. Due to Improper Input Validation Squid is vulnerable to a Denial of Service attack This problem allows a trusted peer to deliver to perform Denial of Service by This vulnerability was discovered by Lubos Uhliarik of RedHat. packages.
of Squid: Your first point of contact should be your binary
Major or higher bugs currently affecting this version. attacks against HTTP and HTTPS traffic.
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