diff options
Diffstat (limited to 'gnu/packages/patches/icu4c-CVE-2017-7867-CVE-2017-7868.patch')
| -rw-r--r-- | gnu/packages/patches/icu4c-CVE-2017-7867-CVE-2017-7868.patch | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/gnu/packages/patches/icu4c-CVE-2017-7867-CVE-2017-7868.patch b/gnu/packages/patches/icu4c-CVE-2017-7867-CVE-2017-7868.patch deleted file mode 100644 index 4db8f27998..0000000000 --- a/gnu/packages/patches/icu4c-CVE-2017-7867-CVE-2017-7868.patch +++ /dev/null @@ -1,164 +0,0 @@ -Fix CVE-2017-7867 and CVE-2017-7868: - -https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7867 -https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7868 - -Patch copied from upstream source repository: - -http://bugs.icu-project.org/trac/changeset/39671 - -Index: icu/source/common/utext.cpp -=================================================================== ---- icu/source/common/utext.cpp (revision 39670) -+++ icu/source/common/utext.cpp (revision 39671) -@@ -848,7 +848,13 @@ - - // Chunk size. --// Must be less than 85, because of byte mapping from UChar indexes to native indexes. --// Worst case is three native bytes to one UChar. (Supplemenaries are 4 native bytes --// to two UChars.) -+// Must be less than 42 (256/6), because of byte mapping from UChar indexes to native indexes. -+// Worst case there are six UTF-8 bytes per UChar. -+// obsolete 6 byte form fd + 5 trails maps to fffd -+// obsolete 5 byte form fc + 4 trails maps to fffd -+// non-shortest 4 byte forms maps to fffd -+// normal supplementaries map to a pair of utf-16, two utf8 bytes per utf-16 unit -+// mapToUChars array size must allow for the worst case, 6. -+// This could be brought down to 4, by treating fd and fc as pure illegal, -+// rather than obsolete lead bytes. But that is not compatible with the utf-8 access macros. - // - enum { UTF8_TEXT_CHUNK_SIZE=32 }; -@@ -890,5 +896,5 @@ - // one for a supplementary starting in the last normal position, - // and one for an entry for the buffer limit position. -- uint8_t mapToUChars[UTF8_TEXT_CHUNK_SIZE*3+6]; // Map native offset from bufNativeStart to -+ uint8_t mapToUChars[UTF8_TEXT_CHUNK_SIZE*6+6]; // Map native offset from bufNativeStart to - // correspoding offset in filled part of buf. - int32_t align; -@@ -1033,4 +1039,5 @@ - u8b = (UTF8Buf *)ut->p; // the current buffer - mapIndex = ix - u8b->toUCharsMapStart; -+ U_ASSERT(mapIndex < (int32_t)sizeof(UTF8Buf::mapToUChars)); - ut->chunkOffset = u8b->mapToUChars[mapIndex] - u8b->bufStartIdx; - return TRUE; -@@ -1299,4 +1306,8 @@ - // If index is at the end, there is no character there to look at. - if (ix != ut->b) { -+ // Note: this function will only move the index back if it is on a trail byte -+ // and there is a preceding lead byte and the sequence from the lead -+ // through this trail could be part of a valid UTF-8 sequence -+ // Otherwise the index remains unchanged. - U8_SET_CP_START(s8, 0, ix); - } -@@ -1312,5 +1323,8 @@ - uint8_t *mapToNative = u8b->mapToNative; - uint8_t *mapToUChars = u8b->mapToUChars; -- int32_t toUCharsMapStart = ix - (UTF8_TEXT_CHUNK_SIZE*3 + 1); -+ int32_t toUCharsMapStart = ix - sizeof(UTF8Buf::mapToUChars) + 1; -+ // Note that toUCharsMapStart can be negative. Happens when the remaining -+ // text from current position to the beginning is less than the buffer size. -+ // + 1 because mapToUChars must have a slot at the end for the bufNativeLimit entry. - int32_t destIx = UTF8_TEXT_CHUNK_SIZE+2; // Start in the overflow region - // at end of buffer to leave room -@@ -1339,4 +1353,5 @@ - // Special case ASCII range for speed. - buf[destIx] = (UChar)c; -+ U_ASSERT(toUCharsMapStart <= srcIx); - mapToUChars[srcIx - toUCharsMapStart] = (uint8_t)destIx; - mapToNative[destIx] = (uint8_t)(srcIx - toUCharsMapStart); -@@ -1368,4 +1383,5 @@ - mapToUChars[sIx-- - toUCharsMapStart] = (uint8_t)destIx; - } while (sIx >= srcIx); -+ U_ASSERT(toUCharsMapStart <= (srcIx+1)); - - // Set native indexing limit to be the current position. -@@ -1542,4 +1558,5 @@ - U_ASSERT(index<=ut->chunkNativeLimit); - int32_t mapIndex = index - u8b->toUCharsMapStart; -+ U_ASSERT(mapIndex < (int32_t)sizeof(UTF8Buf::mapToUChars)); - int32_t offset = u8b->mapToUChars[mapIndex] - u8b->bufStartIdx; - U_ASSERT(offset>=0 && offset<=ut->chunkLength); -Index: icu/source/test/intltest/utxttest.cpp -=================================================================== ---- icu/source/test/intltest/utxttest.cpp (revision 39670) -+++ icu/source/test/intltest/utxttest.cpp (revision 39671) -@@ -68,4 +68,6 @@ - case 7: name = "Ticket12130"; - if (exec) Ticket12130(); break; -+ case 8: name = "Ticket12888"; -+ if (exec) Ticket12888(); break; - default: name = ""; break; - } -@@ -1584,2 +1586,62 @@ - utext_close(&ut); - } -+ -+// Ticket 12888: bad handling of illegal utf-8 containing many instances of the archaic, now illegal, -+// six byte utf-8 forms. Original implementation had an assumption that -+// there would be at most three utf-8 bytes per UTF-16 code unit. -+// The five and six byte sequences map to a single replacement character. -+ -+void UTextTest::Ticket12888() { -+ const char *badString = -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80" -+ "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"; -+ -+ UErrorCode status = U_ZERO_ERROR; -+ LocalUTextPointer ut(utext_openUTF8(NULL, badString, -1, &status)); -+ TEST_SUCCESS(status); -+ for (;;) { -+ UChar32 c = utext_next32(ut.getAlias()); -+ if (c == U_SENTINEL) { -+ break; -+ } -+ } -+ int32_t endIdx = utext_getNativeIndex(ut.getAlias()); -+ if (endIdx != (int32_t)strlen(badString)) { -+ errln("%s:%d expected=%d, actual=%d", __FILE__, __LINE__, strlen(badString), endIdx); -+ return; -+ } -+ -+ for (int32_t prevIndex = endIdx; prevIndex>0;) { -+ UChar32 c = utext_previous32(ut.getAlias()); -+ int32_t currentIndex = utext_getNativeIndex(ut.getAlias()); -+ if (c != 0xfffd) { -+ errln("%s:%d (expected, actual, index) = (%d, %d, %d)\n", -+ __FILE__, __LINE__, 0xfffd, c, currentIndex); -+ break; -+ } -+ if (currentIndex != prevIndex - 6) { -+ errln("%s:%d: wrong index. Expected, actual = %d, %d", -+ __FILE__, __LINE__, prevIndex - 6, currentIndex); -+ break; -+ } -+ prevIndex = currentIndex; -+ } -+} -Index: icu/source/test/intltest/utxttest.h -=================================================================== ---- icu/source/test/intltest/utxttest.h (revision 39670) -+++ icu/source/test/intltest/utxttest.h (revision 39671) -@@ -39,4 +39,5 @@ - void Ticket10983(); - void Ticket12130(); -+ void Ticket12888(); - - private: |