Date: Tue, 24 Mar 2015 08:20:55 +0100 From: Petr Matousek <pmatouse@...hat.com> To: oss-security@...ts.openwall.com Subject: CVE-2015-1779 qemu: vnc: insufficient resource limiting in VNC websockets decoder It was found that the QEMU's websocket frame decoder processed incoming frames without limiting resources used to process the header and payload. An attacker able to access a guest's VNC console could use this flaw to trigger a denial of service on the host by exhausting all available memory and CPU. Acknowledgements: This issue was discovered by Daniel P. Berrange of Red Hat. Upstream patch submission: https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html -- Petr Matousek / Red Hat Product Security PGP: 0xC44977CA 8107 AF16 A416 F9AF 18F3 D874 3E78 6F42 C449 77CA
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