[libvirt] [PATCH 3/4] api: disallow virConnectGetDomainCapabilities on read-only connections
This API can be used to execute arbitrary emulators.
Forbid it on read-only connections.
Fixes: CVE-2019-10167
Signed-off-by: Ján Tomko <jtomko(a)redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange(a)redhat.com>
---
src/libvirt-domain.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c
index 6355f497ce..50767a75ed 100644
--- a/src/libvirt-domain.c
+++ b/src/libvirt-domain.c
@@ -11367,6 +11367,7 @@ virConnectGetDomainCapabilities(virConnectPtr conn,
virResetLastError();
virCheckConnectReturn(conn, NULL);
+ virCheckReadOnlyGoto(conn->flags, error);
if (conn->driver->connectGetDomainCapabilities) {
char *ret;
--
2.20.1