diff options
Diffstat (limited to 'meta/recipes-multimedia/libtiff/tiff/CVE-2023-52355-0001.patch')
| -rw-r--r-- | meta/recipes-multimedia/libtiff/tiff/CVE-2023-52355-0001.patch | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libtiff/tiff/CVE-2023-52355-0001.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-52355-0001.patch new file mode 100644 index 0000000000..f5520fcafd --- /dev/null +++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-52355-0001.patch @@ -0,0 +1,238 @@ +From 335947359ce2dd3862cd9f7c49f92eba065dfed4 Mon Sep 17 00:00:00 2001 +From: Su_Laus <sulau@freenet.de> +Date: Thu, 1 Feb 2024 13:06:08 +0000 +Subject: [PATCH] manpage: Update TIFF documentation about TIFFOpenOptions.rst + and TIFFOpenOptionsSetMaxSingleMemAlloc() usage and some other small fixes. + +CVE: CVE-2023-52355 +Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/335947359ce2dd3862cd9f7c49f92eba065dfed4] + +Signed-off-by: Yogita Urade <yogita.urade@windriver.com> +--- + doc/functions/TIFFDeferStrileArrayWriting.rst | 5 +++ + doc/functions/TIFFError.rst | 3 ++ + doc/functions/TIFFOpen.rst | 13 +++--- + doc/functions/TIFFOpenOptions.rst | 44 ++++++++++++++++++- + doc/functions/TIFFStrileQuery.rst | 5 +++ + doc/libtiff.rst | 31 ++++++++++++- + 6 files changed, 91 insertions(+), 10 deletions(-) + +diff --git a/doc/functions/TIFFDeferStrileArrayWriting.rst b/doc/functions/TIFFDeferStrileArrayWriting.rst +index 60ee746..705aebc 100644 +--- a/doc/functions/TIFFDeferStrileArrayWriting.rst ++++ b/doc/functions/TIFFDeferStrileArrayWriting.rst +@@ -61,6 +61,11 @@ Diagnostics + All error messages are directed to the :c:func:`TIFFErrorExtR` routine. + Likewise, warning messages are directed to the :c:func:`TIFFWarningExtR` routine. + ++Note ++---- ++ ++This functionality was introduced with libtiff 4.1. ++ + See also + -------- + +diff --git a/doc/functions/TIFFError.rst b/doc/functions/TIFFError.rst +index 99924ad..cf4b37c 100644 +--- a/doc/functions/TIFFError.rst ++++ b/doc/functions/TIFFError.rst +@@ -65,6 +65,9 @@ or :c:func:`TIFFClientOpenExt`. + Furthermore, a **custom defined data structure** *user_data* for the + error handler can be given along. + ++Please refer to :doc:`/functions/TIFFOpenOptions` for how to setup the ++application-specific handler introduced with libtiff 4.5. ++ + Note + ---- + +diff --git a/doc/functions/TIFFOpen.rst b/doc/functions/TIFFOpen.rst +index db79d7b..adc474f 100644 +--- a/doc/functions/TIFFOpen.rst ++++ b/doc/functions/TIFFOpen.rst +@@ -94,8 +94,9 @@ TIFF structure without closing the file handle and afterwards the + file should be closed using its file descriptor *fd*. + + :c:func:`TIFFOpenExt` (added in libtiff 4.5) is like :c:func:`TIFFOpen`, +-but options, such as re-entrant error and warning handlers may be passed +-with the *opts* argument. The *opts* argument may be NULL. ++but options, such as re-entrant error and warning handlers and a limit in byte ++that libtiff internal memory allocation functions are allowed to request per call ++may be passed with the *opts* argument. The *opts* argument may be NULL. + Refer to :doc:`TIFFOpenOptions` for allocating and filling the *opts* argument + parameters. The allocated memory for :c:type:`TIFFOpenOptions` + can be released straight after successful execution of the related +@@ -105,9 +106,7 @@ can be released straight after successful execution of the related + but opens a TIFF file with a Unicode filename. + + :c:func:`TIFFFdOpenExt` (added in libtiff 4.5) is like :c:func:`TIFFFdOpen`, +-but options, such as re-entrant error and warning handlers may be passed +-with the *opts* argument. The *opts* argument may be NULL. +-Refer to :doc:`TIFFOpenOptions` for filling the *opts* argument. ++but options argument *opts* like for :c:func:`TIFFOpenExt` can be passed. + + :c:func:`TIFFSetFileName` sets the file name in the tif-structure + and returns the old file name. +@@ -326,5 +325,5 @@ See also + + :doc:`libtiff` (3tiff), + :doc:`TIFFClose` (3tiff), +-:doc:`TIFFStrileQuery`, +-:doc:`TIFFOpenOptions` +\ No newline at end of file ++:doc:`TIFFStrileQuery` (3tiff), ++:doc:`TIFFOpenOptions` +diff --git a/doc/functions/TIFFOpenOptions.rst b/doc/functions/TIFFOpenOptions.rst +index 5c67566..23f2975 100644 +--- a/doc/functions/TIFFOpenOptions.rst ++++ b/doc/functions/TIFFOpenOptions.rst +@@ -38,12 +38,17 @@ opaque structure and returns a :c:type:`TIFFOpenOptions` pointer. + :c:func:`TIFFOpenOptionsFree` releases the allocated memory for + :c:type:`TIFFOpenOptions`. The allocated memory for :c:type:`TIFFOpenOptions` + can be released straight after successful execution of the related +-TIFF open"Ext" functions like :c:func:`TIFFOpenExt`. ++TIFFOpen"Ext" functions like :c:func:`TIFFOpenExt`. + + :c:func:`TIFFOpenOptionsSetMaxSingleMemAlloc` sets parameter for the + maximum single memory limit in byte that ``libtiff`` internal memory allocation + functions are allowed to request per call. + ++.. note:: ++ However, the ``libtiff`` external functions :c:func:`_TIFFmalloc` ++ and :c:func:`_TIFFrealloc` **do not apply** this internal memory ++ allocation limit set by :c:func:`TIFFOpenOptionsSetMaxSingleMemAlloc`! ++ + :c:func:`TIFFOpenOptionsSetErrorHandlerExtR` sets the function pointer to + an application-specific and per-TIFF handle (re-entrant) error handler. + Furthermore, a pointer to a **custom defined data structure** *errorhandler_user_data* +@@ -55,6 +60,43 @@ The *errorhandler_user_data* argument may be NULL. + :c:func:`TIFFOpenOptionsSetErrorHandlerExtR` but for the warning handler, + which is invoked through :c:func:`TIFFWarningExtR` + ++Example ++------- ++ ++:: ++ ++ #include "tiffio.h" ++ ++ typedef struct MyErrorHandlerUserDataStruct ++ { ++ /* ... any user data structure ... */ ++ } MyErrorHandlerUserDataStruct; ++ ++ static int myErrorHandler(TIFF *tiff, void *user_data, const char *module, ++ const char *fmt, va_list ap) ++ { ++ MyErrorHandlerUserDataStruct *errorhandler_user_data = ++ (MyErrorHandlerUserDataStruct *)user_data; ++ /*... code of myErrorHandler ...*/ ++ return 1; ++ } ++ ++ ++ main() ++ { ++ tmsize_t limit = (256 * 1024 * 1024); ++ MyErrorHandlerUserDataStruct user_data = { /* ... any data ... */}; ++ ++ TIFFOpenOptions *opts = TIFFOpenOptionsAlloc(); ++ TIFFOpenOptionsSetMaxSingleMemAlloc(opts, limit); ++ TIFFOpenOptionsSetErrorHandlerExtR(opts, myErrorHandler, &user_data); ++ TIFF *tif = TIFFOpenExt("foo.tif", "r", opts); ++ TIFFOpenOptionsFree(opts); ++ /* ... go on here ... */ ++ ++ TIFFClose(tif); ++ } ++ + Note + ---- + +diff --git a/doc/functions/TIFFStrileQuery.rst b/doc/functions/TIFFStrileQuery.rst +index f8631af..7931fe4 100644 +--- a/doc/functions/TIFFStrileQuery.rst ++++ b/doc/functions/TIFFStrileQuery.rst +@@ -66,6 +66,11 @@ Diagnostics + All error messages are directed to the :c:func:`TIFFErrorExtR` routine. + Likewise, warning messages are directed to the :c:func:`TIFFWarningExtR` routine. + ++Note ++---- ++ ++This functionality was introduced with libtiff 4.1. ++ + See also + -------- + +diff --git a/doc/libtiff.rst b/doc/libtiff.rst +index 6a0054c..d96a860 100644 +--- a/doc/libtiff.rst ++++ b/doc/libtiff.rst +@@ -90,11 +90,15 @@ compatibility on machines with a segmented architecture. + :c:func:`realloc`, and :c:func:`free` routines in the C library.) + + To deal with segmented pointer issues ``libtiff`` also provides +-:c:func:`_TIFFmemcpy`, :c:func:`_TIFFmemset`, and :c:func:`_TIFFmemmove` ++:c:func:`_TIFFmemcpy`, :c:func:`_TIFFmemset`, and :c:func:`_TIFFmemcmp` + routines that mimic the equivalent ANSI C routines, but that are + intended for use with memory allocated through :c:func:`_TIFFmalloc` + and :c:func:`_TIFFrealloc`. + ++With ``libtiff`` 4.5 a method was introduced to limit the internal ++memory allocation that functions are allowed to request per call ++(see :c:func:`TIFFOpenOptionsSetMaxSingleMemAlloc` and :c:func:`TIFFOpenExt`). ++ + Error Handling + -------------- + +@@ -106,6 +110,10 @@ routine that can be specified with a call to :c:func:`TIFFSetErrorHandler`. + Likewise warning messages are directed to a single handler routine + that can be specified with a call to :c:func:`TIFFSetWarningHandler` + ++Further application-specific and per-TIFF handle (re-entrant) error handler ++and warning handler can be set. Please refer to :doc:`/functions/TIFFError` ++and :doc:`/functions/TIFFOpenOptions`. ++ + Basic File Handling + ------------------- + +@@ -139,7 +147,7 @@ a ``"w"`` argument: + main() + { + TIFF* tif = TIFFOpen("foo.tif", "w"); +- ... do stuff ... ++ /* ... do stuff ... */ + TIFFClose(tif); + } + +@@ -157,6 +165,25 @@ to always call :c:func:`TIFFClose` or :c:func:`TIFFFlush` to flush any + buffered information to a file. Note that if you call :c:func:`TIFFClose` + you do not need to call :c:func:`TIFFFlush`. + ++.. warning:: ++ ++ In order to prevent out-of-memory issues when opening a TIFF file ++ :c:func:`TIFFOpenExt` can be used and then the maximum single memory ++ limit in byte that ``libtiff`` internal memory allocation functions ++ are allowed to request per call can be set with ++ :c:func:`TIFFOpenOptionsSetMaxSingleMemAlloc`. ++ ++Example ++ ++:: ++ ++ tmsize_t limit = (256 * 1024 * 1024); ++ TIFFOpenOptions *opts = TIFFOpenOptionsAlloc(); ++ TIFFOpenOptionsSetMaxSingleMemAlloc(opts, limit); ++ TIFF *tif = TIFFOpenExt("foo.tif", "w", opts); ++ TIFFOpenOptionsFree(opts); ++ /* ... go on here ... */ ++ + TIFF Directories + ---------------- + +-- +2.40.0 + |