[X2Go-Commits] [nx-libs] 03/04: Security fixes: X.Org CVE-2015-3418:
git-admin at x2go.org
git-admin at x2go.org
Tue Jun 2 20:32:43 CEST 2015
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x2go pushed a commit to branch 3.5.0.x
in repository nx-libs.
commit e5ff9ace4c2b5a4e04b771c2ec417ceba63218cf
Author: Mihai Moldovan <ionic at ionic.de>
Date: Tue Jun 2 18:27:15 2015 +0200
Security fixes: X.Org CVE-2015-3418:
v3: port to NXdispatch.c rather than dispatch.c (Mike DePaulo)
v4: backport v3 to nx-libs 3.5.0.x (Mihai Moldovan)
Changes:
- 1210-CVE-2015-3418-dix-Allow-zero-height-PutImage-re.full.patch
---
debian/changelog | 6 ++++++
...18-dix-Allow-zero-height-PutImage-re.full.patch | 16 ++++++++++++++--
2 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/debian/changelog b/debian/changelog
index 4d03fc4..3201670 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -175,6 +175,12 @@ nx-libs (2:3.5.0.32-0x2go1) UNRELEASED; urgency=low
v4: backport v3 to nx-libs 3.5.0.x (Mihai Moldovan)
Changes:
+ 1019-dix-integer-overflow-in-ProcPutImage-CVE-2014-8.full.patch
+ * Security fixes:
+ - X.Org CVE-2015-3418:
+ v3: port to NXdispatch.c rather than dispatch.c (Mike DePaulo)
+ v4: backport v3 to nx-libs 3.5.0.x (Mihai Moldovan)
+ Changes:
+ + 1210-CVE-2015-3418-dix-Allow-zero-height-PutImage-re.full.patch
[ Bernard Cafarelli ]
* nx-X11: link to libdl to fix undefined references to 'dlopen' and 'dlsym'.
diff --git a/debian/patches/1210-CVE-2015-3418-dix-Allow-zero-height-PutImage-re.full.patch b/debian/patches/1210-CVE-2015-3418-dix-Allow-zero-height-PutImage-re.full.patch
index 7b6f28c..8fc777e 100644
--- a/debian/patches/1210-CVE-2015-3418-dix-Allow-zero-height-PutImage-re.full.patch
+++ b/debian/patches/1210-CVE-2015-3418-dix-Allow-zero-height-PutImage-re.full.patch
@@ -12,10 +12,11 @@ Date: Fri May 1 13:09:24 2015 +0200
Fix for regression introduced by fix for CVE-2014-8092.
v2: backports to nx-libs 3.6.x (Mike Gabriel)
+ v3: port to NXdispatch.c rather than dispatch.c (Mike DePaulo)
+ v4: backport v3 to nx-libs 3.5.0.x (Mihai Moldovan)
+
Signed-off-by: Keith Packard <keithp at keithp.com>
-diff --git a/nx-X11/programs/Xserver/dix/dispatch.c b/nx-X11/programs/Xserver/dix/dispatch.c
-index 5ad2f5a..ab10640 100644
--- a/nx-X11/programs/Xserver/dix/dispatch.c
+++ b/nx-X11/programs/Xserver/dix/dispatch.c
@@ -2071,7 +2071,7 @@ ProcPutImage(register ClientPtr client)
@@ -27,3 +28,14 @@ index 5ad2f5a..ab10640 100644
return BadLength;
if (((((lengthProto * stuff->height) + (unsigned)3) >> 2) +
+--- a/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
++++ b/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
+@@ -2630,7 +2630,7 @@ ProcPutImage(register ClientPtr client)
+
+ tmpImage = (char *)&stuff[1];
+ lengthProto = length;
+- if (lengthProto >= (INT32_MAX / stuff->height))
++ if (stuff->height != 0 && lengthProto >= (INT32_MAX / stuff->height))
+ return BadLength;
+
+ if (((((lengthProto * stuff->height) + (unsigned)3) >> 2) +
--
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