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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/1007-CVE-2014-0210-unvalidated-length-in-_fs_recv_conn_se.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/1007-CVE-2014-0210-unvalidated-length-in-_fs_recv_conn_se.patch')
-rw-r--r-- | debian/patches/1007-CVE-2014-0210-unvalidated-length-in-_fs_recv_conn_se.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/debian/patches/1007-CVE-2014-0210-unvalidated-length-in-_fs_recv_conn_se.patch b/debian/patches/1007-CVE-2014-0210-unvalidated-length-in-_fs_recv_conn_se.patch new file mode 100644 index 000000000..b71627214 --- /dev/null +++ b/debian/patches/1007-CVE-2014-0210-unvalidated-length-in-_fs_recv_conn_se.patch @@ -0,0 +1,73 @@ +From 94c6de0649cd295044b1e4ff7265949c9c787519 Mon Sep 17 00:00:00 2001 +From: Mike DePaulo <mikedep333@gmail.com> +Date: Sun, 8 Feb 2015 21:03:33 -0500 +Subject: [PATCH 07/40] CVE-2014-0210: unvalidated length in + _fs_recv_conn_setup() from xorg/lib/libXfont commit + 891e084b26837162b12f841060086a105edde86d + +The connection setup reply from the font server can include a list +of alternate servers to contact if this font server stops working. + +The reply specifies a total size of all the font server names, and +then provides a list of names. _fs_recv_conn_setup() allocated the +specified total size for copying the names to, but didn't check to +make sure it wasn't copying more data to that buffer than the size +it had allocated. +--- + nx-X11/lib/font/fc/fserve.c | 21 ++++++++++++++++++--- + 1 file changed, 18 insertions(+), 3 deletions(-) + +diff --git a/nx-X11/lib/font/fc/fserve.c b/nx-X11/lib/font/fc/fserve.c +index bac0b8e..0fdcc1d 100644 +--- a/nx-X11/lib/font/fc/fserve.c ++++ b/nx-X11/lib/font/fc/fserve.c +@@ -2782,7 +2782,7 @@ _fs_recv_conn_setup (FSFpePtr conn) + int ret; + fsConnSetup *setup; + FSFpeAltPtr alts; +- int i, alt_len; ++ unsigned int i, alt_len; + int setup_len; + char *alt_save, *alt_names; + +@@ -2809,9 +2809,9 @@ _fs_recv_conn_setup (FSFpePtr conn) + } + if (setup->num_alternates) + { ++ size_t alt_name_len = setup->alternate_len << 2; + alts = (FSFpeAltPtr) xalloc (setup->num_alternates * +- sizeof (FSFpeAltRec) + +- (setup->alternate_len << 2)); ++ sizeof (FSFpeAltRec) + alt_name_len); + if (alts) + { + alt_names = (char *) (setup + 1); +@@ -2820,10 +2820,25 @@ _fs_recv_conn_setup (FSFpePtr conn) + { + alts[i].subset = alt_names[0]; + alt_len = alt_names[1]; ++ if (alt_len >= alt_name_len) { ++ /* ++ * Length is longer than setup->alternate_len ++ * told us to allocate room for, assume entire ++ * alternate list is corrupted. ++ */ ++#ifdef DEBUG ++ fprintf (stderr, ++ "invalid alt list (length %lx >= %lx)\n", ++ (long) alt_len, (long) alt_name_len); ++#endif ++ free(alts); ++ return FSIO_ERROR; ++ } + alts[i].name = alt_save; + memcpy (alt_save, alt_names + 2, alt_len); + alt_save[alt_len] = '\0'; + alt_save += alt_len + 1; ++ alt_name_len -= alt_len + 1; + alt_names += _fs_pad_length (alt_len + 2); + } + conn->numAlts = setup->num_alternates; +-- +2.1.4 + |