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From 2f8042cc71d65391e702c48f4e5e9dd38811cf4a Mon Sep 17 00:00:00 2001
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Message-Id: <2f8042cc71d65391e702c48f4e5e9dd38811cf4a@dist-git>
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From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
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Date: Tue, 18 Jun 2019 13:30:00 +0200
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Subject: [PATCH] api: disallow virDomainManagedSaveDefineXML on read-only
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connections
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The virDomainManagedSaveDefineXML can be used to alter the domain's
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config used for managedsave or even execute arbitrary emulator binaries.
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Forbid it on read-only connections.
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Fixes: CVE-2019-10166
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Reported-by: Matthias Gerstner <mgerstner@suse.de>
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Signed-off-by: Ján Tomko <jtomko@redhat.com>
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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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Signed-off-by: Ján Tomko <jtomko@redhat.com>
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Message-Id: <352bf5e963a6482d426f97b0ef36ca019e69280b.1560857354.git.jtomko@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/libvirt-domain.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c
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index 0ba85b9360..3855dfe0dd 100644
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--- a/src/libvirt-domain.c
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+++ b/src/libvirt-domain.c
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@@ -9487,6 +9487,7 @@ virDomainManagedSaveDefineXML(virDomainPtr domain, const char *dxml,
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virCheckDomainReturn(domain, -1);
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conn = domain->conn;
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+ virCheckReadOnlyGoto(conn->flags, error);
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if (conn->driver->domainManagedSaveDefineXML) {
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int ret;
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--
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2.22.0
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