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authorRobin H. Johnson <robbat2@gentoo.org>2015-08-08 13:49:04 -0700
committerRobin H. Johnson <robbat2@gentoo.org>2015-08-08 17:38:18 -0700
commit56bd759df1d0c750a065b8c845e93d5dfa6b549d (patch)
tree3f91093cdb475e565ae857f1c5a7fd339e2d781e /net-libs/libvncserver/files/libvncserver-memcpy.patch
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proj/gentoo: Initial commit
This commit represents a new era for Gentoo: Storing the gentoo-x86 tree in Git, as converted from CVS. This commit is the start of the NEW history. Any historical data is intended to be grafted onto this point. Creation process: 1. Take final CVS checkout snapshot 2. Remove ALL ChangeLog* files 3. Transform all Manifests to thin 4. Remove empty Manifests 5. Convert all stale $Header$/$Id$ CVS keywords to non-expanded Git $Id$ 5.1. Do not touch files with -kb/-ko keyword flags. Signed-off-by: Robin H. Johnson <robbat2@gentoo.org> X-Thanks: Alec Warner <antarus@gentoo.org> - did the GSoC 2006 migration tests X-Thanks: Robin H. Johnson <robbat2@gentoo.org> - infra guy, herding this project X-Thanks: Nguyen Thai Ngoc Duy <pclouds@gentoo.org> - Former Gentoo developer, wrote Git features for the migration X-Thanks: Brian Harring <ferringb@gentoo.org> - wrote much python to improve cvs2svn X-Thanks: Rich Freeman <rich0@gentoo.org> - validation scripts X-Thanks: Patrick Lauer <patrick@gentoo.org> - Gentoo dev, running new 2014 work in migration X-Thanks: Michał Górny <mgorny@gentoo.org> - scripts, QA, nagging X-Thanks: All of other Gentoo developers - many ideas and lots of paint on the bikeshed
Diffstat (limited to 'net-libs/libvncserver/files/libvncserver-memcpy.patch')
-rw-r--r--net-libs/libvncserver/files/libvncserver-memcpy.patch24
1 files changed, 24 insertions, 0 deletions
diff --git a/net-libs/libvncserver/files/libvncserver-memcpy.patch b/net-libs/libvncserver/files/libvncserver-memcpy.patch
new file mode 100644
index 000000000000..9d30e7e3122a
--- /dev/null
+++ b/net-libs/libvncserver/files/libvncserver-memcpy.patch
@@ -0,0 +1,24 @@
+Fix a buffer overflow on platforms where sizeof(long) > sizeof(int).
+https://bugs.gentoo.org/show_bug.cgi?id=329031
+
+--- libvncserver/tightvnc-filetransfer/filetransfermsg.c
++++ libvncserver/tightvnc-filetransfer/filetransfermsg.c
+@@ -393,7 +393,8 @@
+ CreateFileDownloadZeroSizeDataMsg(unsigned long mTime)
+ {
+ FileTransferMsg fileDownloadZeroSizeDataMsg;
+- int length = sz_rfbFileDownloadDataMsg + sizeof(int);
++ uint32_t mTime32 = (uint32_t)mTime;
++ int length = sz_rfbFileDownloadDataMsg + sizeof(mTime32);
+ rfbFileDownloadDataMsg *pFDD = NULL;
+ char *pFollow = NULL;
+
+@@ -413,7 +414,7 @@
+ pFDD->compressedSize = Swap16IfLE(0);
+ pFDD->realSize = Swap16IfLE(0);
+
+- memcpy(pFollow, &mTime, sizeof(unsigned long));
++ memcpy(pFollow, &mTime, sizeof(mTime32));
+
+ fileDownloadZeroSizeDataMsg.data = pData;
+ fileDownloadZeroSizeDataMsg.length = length;