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author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2015-02-14 16:40:07 +0100 |
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committer | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2015-02-14 17:45:36 +0100 |
commit | 4587881130db36125c6b800e8f7e3fa0a3c5c9fb (patch) | |
tree | 7afc9d2782badf4f6f6b044a9f9540be247ece2b /debian/patches/1005-CVE-2014-0209-integer-overflow-of-realloc-size-in-Fo.patch | |
parent | f46d117903c4bc4fe9863041f470e8816d355709 (diff) | |
download | nx-libs-4587881130db36125c6b800e8f7e3fa0a3c5c9fb.tar.gz nx-libs-4587881130db36125c6b800e8f7e3fa0a3c5c9fb.tar.bz2 nx-libs-4587881130db36125c6b800e8f7e3fa0a3c5c9fb.zip |
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
Diffstat (limited to 'debian/patches/1005-CVE-2014-0209-integer-overflow-of-realloc-size-in-Fo.patch')
-rw-r--r-- | debian/patches/1005-CVE-2014-0209-integer-overflow-of-realloc-size-in-Fo.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/debian/patches/1005-CVE-2014-0209-integer-overflow-of-realloc-size-in-Fo.patch b/debian/patches/1005-CVE-2014-0209-integer-overflow-of-realloc-size-in-Fo.patch new file mode 100644 index 000000000..8097e3050 --- /dev/null +++ b/debian/patches/1005-CVE-2014-0209-integer-overflow-of-realloc-size-in-Fo.patch @@ -0,0 +1,43 @@ +From f53f2474d5d33cca04c4c7744ecc50cec41ba94f Mon Sep 17 00:00:00 2001 +From: Mike DePaulo <mikedep333@gmail.com> +Date: Sun, 8 Feb 2015 20:28:30 -0500 +Subject: [PATCH 05/40] CVE-2014-0209: integer overflow of realloc() size in + FontFileAddEntry() from xorg/lib/libXfont commit + 2f5e57317339c526e6eaee1010b0e2ab8089c42e +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +FontFileReadDirectory() opens a fonts.dir file, and reads over every +line in an fscanf loop. For each successful entry read (font name, +file name) a call is made to FontFileAddFontFile(). + +FontFileAddFontFile() will add a font file entry (for the font name +and file) each time it’s called, by calling FontFileAddEntry(). +FontFileAddEntry() will do the actual adding. If the table it has +to add to is full, it will do a realloc, adding 100 more entries +to the table size without checking to see if that will overflow the +int used to store the size. +--- + nx-X11/lib/font/fontfile/fontdir.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/nx-X11/lib/font/fontfile/fontdir.c b/nx-X11/lib/font/fontfile/fontdir.c +index 8f75d8b..899ff05 100644 +--- a/nx-X11/lib/font/fontfile/fontdir.c ++++ b/nx-X11/lib/font/fontfile/fontdir.c +@@ -185,6 +185,11 @@ FontFileAddEntry(FontTablePtr table, FontEntryPtr prototype) + if (table->sorted) + return (FontEntryPtr) 0; /* "cannot" happen */ + if (table->used == table->size) { ++ if (table->size >= ((INT32_MAX / sizeof(FontEntryRec)) - 100)) ++ /* If we've read so many entries we're going to ask for 2gb ++ or more of memory, something is so wrong with this font ++ directory that we should just give up before we overflow. */ ++ return NULL; + newsize = table->size + 100; + entry = (FontEntryPtr) xrealloc(table->entries, + newsize * sizeof(FontEntryRec)); +-- +2.1.4 + |