oss-security - CVE Request: WebKitGTK+ performs DNS prefetch when a proxy is configured

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Message-ID: <1433781982.9986.17.camel@igalia.com>
Date: Mon, 08 Jun 2015 11:46:22 -0500
From: Michael Catanzaro <mcatanzaro@...lia.com>
To: oss-security@...ts.openwall.com
Subject: CVE Request: WebKitGTK+ performs DNS prefetch when a proxy is
 configured

It was discovered that WebKit's libsoup network backend, as used in
WebKitGTK+, performs DNS prefetch even when a proxy has been
configured. An attacker could use this flaw to determine which hosts a
browser has prefetched.

For example, this is problematic when using Tor as a proxy.

See also: https://bugs.webkit.org/show_bug.cgi?id=145542

Please assign a CVE for this issue.

Thanks,

Michael

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