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From fae17c4141d504073e9cb16b49d2af9e73272ac2 Mon Sep 17 00:00:00 2001
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Message-Id: <fae17c4141d504073e9cb16b49d2af9e73272ac2@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 13:30:01 +0200
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Subject: [PATCH] api: disallow virConnectGetDomainCapabilities 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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This API can be used to execute arbitrary emulators.
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Forbid it on read-only connections.
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Fixes: CVE-2019-10167
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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: <eeefd7cf2afba696bed78582e086bfbd3ed23e00.1560857354.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 b936dd8eb7..ab2c44cfe1 100644
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--- a/src/libvirt-domain.c
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+++ b/src/libvirt-domain.c
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@@ -11287,6 +11287,7 @@ virConnectGetDomainCapabilities(virConnectPtr conn,
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     virResetLastError();
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     virCheckConnectReturn(conn, NULL);
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+    virCheckReadOnlyGoto(conn->flags, error);
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     if (conn->driver->connectGetDomainCapabilities) {
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         char *ret;
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-- 
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2.22.0
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