diff options
Diffstat (limited to 'net-libs/libvncserver/files/libvncserver-0.9.12-CVE-2018-20750.patch')
| -rw-r--r-- | net-libs/libvncserver/files/libvncserver-0.9.12-CVE-2018-20750.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/net-libs/libvncserver/files/libvncserver-0.9.12-CVE-2018-20750.patch b/net-libs/libvncserver/files/libvncserver-0.9.12-CVE-2018-20750.patch deleted file mode 100644 index 55f122d12584..000000000000 --- a/net-libs/libvncserver/files/libvncserver-0.9.12-CVE-2018-20750.patch +++ /dev/null @@ -1,47 +0,0 @@ -From 09e8fc02f59f16e2583b34fe1a270c238bd9ffec Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com> -Date: Mon, 7 Jan 2019 10:40:01 +0100 -Subject: [PATCH 01/51] Limit lenght to INT_MAX bytes in - rfbProcessFileTransferReadBuffer() - -This ammends 15bb719c03cc70f14c36a843dcb16ed69b405707 fix for a heap -out-of-bound write access in rfbProcessFileTransferReadBuffer() when -reading a transfered file content in a server. The former fix did not -work on platforms with a 32-bit int type (expected by rfbReadExact()). - -CVE-2018-15127 -<https://github.com/LibVNC/libvncserver/issues/243> -<https://github.com/LibVNC/libvncserver/issues/273> ---- - libvncserver/rfbserver.c | 7 ++++++- - 1 file changed, 6 insertions(+), 1 deletion(-) - -diff --git a/libvncserver/rfbserver.c b/libvncserver/rfbserver.c -index 7af8490..f2edbee 100644 ---- a/libvncserver/rfbserver.c -+++ b/libvncserver/rfbserver.c -@@ -88,6 +88,8 @@ - #include <errno.h> - /* strftime() */ - #include <time.h> -+/* INT_MAX */ -+#include <limits.h> - - #ifdef LIBVNCSERVER_WITH_WEBSOCKETS - #include "rfbssl.h" -@@ -1472,8 +1474,11 @@ char *rfbProcessFileTransferReadBuffer(rfbClientPtr cl, uint32_t length) - 0XFFFFFFFF, i.e. SIZE_MAX for 32-bit systems. On 64-bit systems, a length of 0XFFFFFFFF - will safely be allocated since this check will never trigger and malloc() can digest length+1 - without problems as length is a uint32_t. -+ We also later pass length to rfbReadExact() that expects a signed int type and -+ that might wrap on platforms with a 32-bit int type if length is bigger -+ than 0X7FFFFFFF. - */ -- if(length == SIZE_MAX) { -+ if(length == SIZE_MAX || length > INT_MAX) { - rfbErr("rfbProcessFileTransferReadBuffer: too big file transfer length requested: %u", (unsigned int)length); - rfbCloseClient(cl); - return NULL; --- -2.23.0 - |