SHA256
1
0
forked from pool/libvirt
libvirt/2a07c990-api-CVE-2019-3886.patch

28 lines
1.0 KiB
Diff
Raw Normal View History

commit 2a07c990bd9143d7a0fe8d1b6b7c763c52185240
Author: Daniel P. Berrangé <berrange@redhat.com>
Date: Wed Mar 27 10:59:58 2019 +0000
api: disallow virDomainGetHostname for read-only connections
The virDomainGetHostname API is fetching guest information and this may
involve use of an untrusted guest agent. As such its use must be
forbidden on a read-only connection to libvirt.
Fixes CVE-2019-3886
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Index: libvirt-5.2.0/src/libvirt-domain.c
===================================================================
--- libvirt-5.2.0.orig/src/libvirt-domain.c
+++ libvirt-5.2.0/src/libvirt-domain.c
@@ -11031,6 +11031,8 @@ virDomainGetHostname(virDomainPtr domain
virCheckDomainReturn(domain, NULL);
conn = domain->conn;
+ virCheckReadOnlyGoto(domain->conn->flags, error);
+
if (conn->driver->domainGetHostname) {
char *ret;
ret = conn->driver->domainGetHostname(domain, flags);