diff options
Diffstat (limited to 'debian/patches/1014-CVE-2014-0210-unvalidated-length-fields-in-fs_read_e.patch')
-rw-r--r-- | debian/patches/1014-CVE-2014-0210-unvalidated-length-fields-in-fs_read_e.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/debian/patches/1014-CVE-2014-0210-unvalidated-length-fields-in-fs_read_e.patch b/debian/patches/1014-CVE-2014-0210-unvalidated-length-fields-in-fs_read_e.patch new file mode 100644 index 000000000..9d65f8a45 --- /dev/null +++ b/debian/patches/1014-CVE-2014-0210-unvalidated-length-fields-in-fs_read_e.patch @@ -0,0 +1,38 @@ +From d2b96c5d59766f96181de95da1906fd6e32785ba Mon Sep 17 00:00:00 2001 +From: Mike DePaulo <mikedep333@gmail.com> +Date: Sun, 8 Feb 2015 22:26:16 -0500 +Subject: [PATCH 14/40] CVE-2014-0210: unvalidated length fields in + fs_read_extent_info() from xorg/lib/libXfont commit + a3f21421537620fc4e1f844a594a4bcd9f7e2bd8 + +Looping over the extents in the reply could go past the end of the +reply buffer if the reply indicated more extents than could fit in +the specified reply length. +--- + nx-X11/lib/font/fc/fserve.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +diff --git a/nx-X11/lib/font/fc/fserve.c b/nx-X11/lib/font/fc/fserve.c +index 639964c..79de4f3 100644 +--- a/nx-X11/lib/font/fc/fserve.c ++++ b/nx-X11/lib/font/fc/fserve.c +@@ -1069,6 +1069,16 @@ fs_read_extent_info(FontPathElementPtr fpe, FSBlockDataPtr blockrec) + #endif + pCI = NULL; + } ++ else if (numExtents > ((rep->length - LENGTHOF(fsQueryXExtents16Reply)) ++ / LENGTHOF(fsXCharInfo))) { ++#ifdef DEBUG ++ fprintf(stderr, ++ "fsQueryXExtents16: numExtents (%d) > (%d - %d) / %d\n", ++ numExtents, rep->length, ++ LENGTHOF(fsQueryXExtents16Reply), LENGTHOF(fsXCharInfo)); ++#endif ++ pCI = NULL; ++ } + else + pCI = malloc(sizeof(CharInfoRec) * numInfos); + +-- +2.1.4 + |