Re: [PATCH 2/2] remote: enforce ACL write permission for getting guest time & hostname

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On 4/3/19 8:00 AM, Daniel P. Berrangé wrote:
Getting the guest time and hostname both require use of guest agent
commands. These must not be allowed for read-only users, so the
permissions check must validate "write" permission not "read".

Fixes CVE-2019-3886
Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
---
  src/remote/remote_protocol.x | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index 74be4b37d0..11f44ee267 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -5513,7 +5513,7 @@ enum remote_procedure {
/**
       * @generate: both
-     * @acl: domain:read
+     * @acl: domain:write
       */
      REMOTE_PROC_DOMAIN_GET_HOSTNAME = 277,
@@ -5908,7 +5908,7 @@ enum remote_procedure { /**
       * @generate: none
-     * @acl: domain:read
+     * @acl: domain:write
       */
      REMOTE_PROC_DOMAIN_GET_TIME = 337,

Reviewed-by: Jim Fehlig <jfehlig@xxxxxxxx>

Regards,
Jim

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