Incorrect processing of responses to If-None-Modified HTTP conditional requests in Squid HTTP Proxy 3.1.10 through 3.1.23, 3.2.0.3 through 3.5.22, and 4.0.1 through 4.0.16 leads to client-specific Cookie data being leaked to other clients. Attack requests can easily be crafted by a client to probe a cache for this information.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade squid | Sep 20, 2017 | Jan 27, 2017 |
| Centos_linux | — | Upgrade squid-sysvinitUpgrade squid34-debuginfoUpgrade squidUpgrade squid34Upgrade squid-debuginfoUpgrade squid-migration-script | Jan 27, 2017 | Dec 16, 2016 |
| Debian | — | Upgrade squid3 | Dec 25, 2016 | Dec 16, 2016 |
| Freebsd | — | Upgrade squid-develUpgrade squid | Dec 23, 2016 | Dec 23, 2016 |
| Huawei Euleros 2_0_sp1 | — | Upgrade squid-migration-scriptUpgrade squid | Nov 30, 2017 | Jan 27, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade squid-migration-scriptUpgrade squid | Nov 30, 2017 | Jan 27, 2017 |
| Oracle Solaris | — | Upgrade web/proxy/squid to version 3.5.23-0.175.3.17.0.1.0 on Solaris 11.3 | May 29, 2017 | Jan 27, 2017 |
| Oracle_linux | — | Upgrade squid-sysvinitUpgrade squid34Upgrade squidUpgrade squid-migration-script | Jan 24, 2017 | Dec 16, 2016 |
| Redhat_linux | — | Upgrade squid34Upgrade squidUpgrade squid-debuginfoNo solution existsUpgrade squid-sysvinitUpgrade squid34-debuginfoUpgrade squid-migration-script | Feb 3, 2017 | Dec 16, 2016 |
| Suse | — | Upgrade squid3Upgrade squid | Jan 12, 2017 | Dec 16, 2016 |
| Ubuntu | — | Upgrade squid3 | Feb 7, 2017 | Dec 16, 2016 |
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