From 4587881130db36125c6b800e8f7e3fa0a3c5c9fb Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Sat, 14 Feb 2015 16:40:07 +0100 Subject: 40 patches, fixing several X.Org CVEs in NX. * Security fixes: - Rebase loads of X.Org patches (mainly from RHEL-5) against NX. If not all patches from a CVE patch series appear here, then it means that the affected file/code is not used in NX at build time. - X.Org CVE-2011-2895: 1001-LZW-decompress-fix-for-CVE-2011-2895-From-xorg-lib-X.patch - X.Org CVE-2011-4028: 1002-Fix-CVE-2011-4028-File-disclosure-vulnerability.-ups.patch - X.Org CVE-2013-4396: 1003-Avoid-use-after-free-in-dix-dixfonts.c-doImageText-C.patch - X.Org CVE-2013-6462: 1004-CVE-2013-6462-unlimited-sscanf-overflows-stack-buffe.patch - X.Org CVE-2014-0209: 1005-CVE-2014-0209-integer-overflow-of-realloc-size-in-Fo.patch 1006-CVE-2014-0209-integer-overflow-of-realloc-size-in-le.patch - X.Org CVE-2014-0210: 1007-CVE-2014-0210-unvalidated-length-in-_fs_recv_conn_se.patch 1009-CVE-2014-0210-unvalidated-lengths-when-reading-repli.patch 1011-CVE-2014-0210-unvalidated-length-fields-in-fs_read_q.patch 1014-CVE-2014-0210-unvalidated-length-fields-in-fs_read_e.patch 1015-CVE-2014-0210-unvalidated-length-fields-in-fs_read_g.patch 1016-CVE-2014-0210-unvalidated-length-fields-in-fs_read_l.patch 1017-CVE-2014-0210-unvalidated-length-fields-in-fs_read_l.patch - X.Org CVE-2014-0211: 1010-CVE-2014-0211-Integer-overflow-in-fs_get_reply-_fs_s.patch 1012-CVE-2014-0211-integer-overflow-in-fs_read_extent_inf.patch 1013-CVE-2014-0211-integer-overflow-in-fs_alloc_glyphs-fr.patch 1018-unchecked-malloc-may-allow-unauthed-client-to-crash-.patch - X.Org CVE-2014-8092: 1019-dix-integer-overflow-in-ProcPutImage-CVE-2014-8092-1.patch 1020-dix-integer-overflow-in-GetHosts-CVE-2014-8092-2-4.patch 1021-dix-integer-overflow-in-RegionSizeof-CVE-2014-8092-3.patch 1022-dix-integer-overflow-in-REQUEST_FIXED_SIZE-CVE-2014-.patch - X.Org CVE-2014-8097: 1023-dbe-unvalidated-lengths-in-DbeSwapBuffers-calls-CVE-.patch - X.Org CVE-2014-8095: 1024-Xi-unvalidated-lengths-in-Xinput-extension-CVE-2014-.patch - X.Org CVE-2014-8096: 1025-xcmisc-unvalidated-length-in-SProcXCMiscGetXIDList-C.patch - X.Org CVE-2014-8099: 1026-Xv-unvalidated-lengths-in-XVideo-extension-swapped-p.patch - X.Org CVE-2014-8100: 1027-render-check-request-size-before-reading-it-CVE-2014.patch 1028-render-unvalidated-lengths-in-Render-extn.-swapped-p.patch - X.Org CVE-2014-8102: 1029-xfixes-unvalidated-length-in-SProcXFixesSelectSelect.patch - X.Org CVE-2014-8101: 1030-randr-unvalidated-lengths-in-RandR-extension-swapped.patch - X.Org CVE-2014-8093: 1031-glx-Be-more-paranoid-about-variable-length-requests-.patch 1032-glx-Be-more-strict-about-rejecting-invalid-image-siz.patch 1033-glx-Additional-paranoia-in-__glXGetAnswerBuffer-__GL.patch 1034-glx-Add-safe_-add-mul-pad-v3-CVE-2014-8093-4-6-v4.patch 1036-glx-Integer-overflow-protection-for-non-generated-re.patch - X.Org CVE-2014-8098: 1035-glx-Length-checking-for-GLXRender-requests-v2-CVE-20.patch 1037-glx-Top-level-length-checking-for-swapped-VendorPriv.patch 1038-glx-Length-checking-for-non-generated-single-request.patch 1039-glx-Length-checking-for-RenderLarge-requests-v2-CVE-.patch 1040-glx-Pass-remaining-request-length-into-varsize-v2-CV.patch - Security fixes with no assigned CVE: 1008-Don-t-crash-when-we-receive-an-FS_Error-from-the-fon.patch --- ...-overflow-in-REQUEST_FIXED_SIZE-CVE-2014-.patch | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 debian/patches/1022-dix-integer-overflow-in-REQUEST_FIXED_SIZE-CVE-2014-.patch (limited to 'debian/patches/1022-dix-integer-overflow-in-REQUEST_FIXED_SIZE-CVE-2014-.patch') diff --git a/debian/patches/1022-dix-integer-overflow-in-REQUEST_FIXED_SIZE-CVE-2014-.patch b/debian/patches/1022-dix-integer-overflow-in-REQUEST_FIXED_SIZE-CVE-2014-.patch new file mode 100644 index 000000000..3dddcb0f4 --- /dev/null +++ b/debian/patches/1022-dix-integer-overflow-in-REQUEST_FIXED_SIZE-CVE-2014-.patch @@ -0,0 +1,46 @@ +From 82d7279ebfa04f319e68145b3adbf65716e59584 Mon Sep 17 00:00:00 2001 +From: Alan Coopersmith +Date: Wed, 22 Jan 2014 23:44:46 -0800 +Subject: [PATCH 22/40] dix: integer overflow in REQUEST_FIXED_SIZE() + [CVE-2014-8092 4/4] + +Force use of 64-bit integers when evaluating data provided by clients +in 32-bit fields which can overflow when added or multiplied during +checks. + +Reported-by: Ilja Van Sprundel +Signed-off-by: Alan Coopersmith +Reviewed-by: Peter Hutterer + +RHEL5: add #include for uint64_t +v3: backport to nx-libs 3.6.x (Mike DePaulo) +--- + nx-X11/programs/Xserver/include/dix.h | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/nx-X11/programs/Xserver/include/dix.h b/nx-X11/programs/Xserver/include/dix.h +index 1b8fc42..d82979c 100644 +--- a/nx-X11/programs/Xserver/include/dix.h ++++ b/nx-X11/programs/Xserver/include/dix.h +@@ -50,6 +50,8 @@ SOFTWARE. + #ifndef DIX_H + #define DIX_H + ++#include ++ + #include "gc.h" + #include "window.h" + #include "input.h" +@@ -73,7 +75,8 @@ SOFTWARE. + + #define REQUEST_FIXED_SIZE(req, n)\ + if (((sizeof(req) >> 2) > client->req_len) || \ +- (((sizeof(req) + (n) + 3) >> 2) != client->req_len)) \ ++ ((n >> 2) >= client->req_len) || \ ++ ((((uint64_t) sizeof(req) + (n) + 3) >> 2) != (uint64_t) client->req_len)) \ + return(BadLength) + + #define LEGAL_NEW_RESOURCE(id,client)\ +-- +2.1.4 + -- cgit v1.2.3