diff options
Diffstat (limited to 'CVE-2017-10972.patch')
| -rw-r--r-- | CVE-2017-10972.patch | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/CVE-2017-10972.patch b/CVE-2017-10972.patch deleted file mode 100644 index f24e9c0ae688..000000000000 --- a/CVE-2017-10972.patch +++ /dev/null @@ -1,35 +0,0 @@ -From 05442de962d3dc624f79fc1a00eca3ffc5489ced Mon Sep 17 00:00:00 2001 -From: Michal Srb <msrb@suse.com> -Date: Wed, 24 May 2017 15:54:39 +0300 -Subject: Xi: Zero target buffer in SProcXSendExtensionEvent. - -Make sure that the xEvent eventT is initialized with zeros, the same way as -in SProcSendEvent. - -Some event swapping functions do not overwrite all 32 bytes of xEvent -structure, for example XSecurityAuthorizationRevoked. Two cooperating -clients, one swapped and the other not, can send -XSecurityAuthorizationRevoked event to each other to retrieve old stack data -from X server. This can be potentialy misused to go around ASLR or -stack-protector. - -Signed-off-by: Michal Srb <msrb@suse.com> -Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> -Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> - -diff --git a/Xi/sendexev.c b/Xi/sendexev.c -index 11d8202..1cf118a 100644 ---- a/Xi/sendexev.c -+++ b/Xi/sendexev.c -@@ -78,7 +78,7 @@ SProcXSendExtensionEvent(ClientPtr client) - { - CARD32 *p; - int i; -- xEvent eventT; -+ xEvent eventT = { .u.u.type = 0 }; - xEvent *eventP; - EventSwapPtr proc; - --- -cgit v0.10.2 - |