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SYNTHESIS OF THE VULNERABILITY

An attacker can trigger a Cross Site Scripting via TLS Errors of
Squid cache, in order to run JavaScript code in the context of the
web site.

Impacted products: Debian, Fedora, openSUSE Leap, Solaris, Squid,
SUSE Linux Enterprise Desktop, SLES, WindRiver Linux.

Severity: 2/4.

Consequences: client access/rights.

Provenance: document.

Confidence: confirmed by the editor (5/5).

Creation date: 29/10/2018.

DESCRIPTION OF THE VULNERABILITY

The Squid cache product offers a web service.

However, it does not filter received data via TLS Errors before
inserting them in generated HTML documents.

An attacker can therefore trigger a Cross Site Scripting via TLS
Errors of Squid cache, in order to run JavaScript code in the
context of the web site.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/Squid-cache-Cross-Site-Scripting-via-TLS-Errors-27633