oss-security - CVE request: libvirt: integer overflow in VirDomainGetVcpus

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Message-ID: <20110628114608.GA7525@dhcp-25-225.brq.redhat.com>
Date: Tue, 28 Jun 2011 13:46:09 +0200
From: Petr Matousek <pmatouse@...hat.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>,
        Joshua Bressers <bressers@...hat.com>
Subject: CVE request: libvirt: integer overflow in VirDomainGetVcpus

It has been found that calling VirDomainGetVcpus with bogus parameters
can lead to integer overflow and subsequent heap corruption. A remote
attacker could use this flaw to crash libvirtd (DoS).

Upstream patch:
https://www.redhat.com/archives/libvir-list/2011-June/msg01278.html

References:
https://bugzilla.redhat.com/show_bug.cgi?id=717199
https://www.redhat.com/archives/libvir-list/2011-June/msg01278.html

Thanks,
-- 
Petr Matousek / Red Hat Security Response Team

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