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SUSE:SLE-12-SP2:GA
php72.13044
php-CVE-2019-9023.patch
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File php-CVE-2019-9023.patch of Package php72.13044
Index: php-7.2.5/ext/mbstring/oniguruma/src/regparse.c =================================================================== --- php-7.2.5.orig/ext/mbstring/oniguruma/src/regparse.c 2018-04-24 17:09:55.000000000 +0200 +++ php-7.2.5/ext/mbstring/oniguruma/src/regparse.c 2019-03-11 17:56:58.618984274 +0100 @@ -304,14 +304,17 @@ strdup_with_null(OnigEncoding enc, UChar c = ONIGENC_MBC_TO_CODE(enc, p, end); \ pfetch_prev = p; \ p += ONIGENC_MBC_ENC_LEN(enc, p); \ + if(UNEXPECTED(p > end)) p = end; \ } while (0) #define PINC_S do { \ p += ONIGENC_MBC_ENC_LEN(enc, p); \ + if(UNEXPECTED(p > end)) p = end; \ } while (0) #define PFETCH_S(c) do { \ c = ONIGENC_MBC_TO_CODE(enc, p, end); \ p += ONIGENC_MBC_ENC_LEN(enc, p); \ + if(UNEXPECTED(p > end)) p = end; \ } while (0) #define PPEEK (p < end ? ONIGENC_MBC_TO_CODE(enc, p, end) : PEND_VALUE) @@ -3593,7 +3596,9 @@ fetch_token(OnigToken* tok, UChar** src, tok->u.code = c2; } else { /* string */ - p = tok->backp + enclen(enc, tok->backp); + int len; + SAFE_ENC_LEN(enc, tok->backp, end, len); + p = tok->backp + len; } } break; Index: php-7.2.5/ext/mbstring/oniguruma/src/regcomp.c =================================================================== --- php-7.2.5.orig/ext/mbstring/oniguruma/src/regcomp.c 2018-04-24 17:09:55.000000000 +0200 +++ php-7.2.5/ext/mbstring/oniguruma/src/regcomp.c 2019-03-11 17:56:58.618984274 +0100 @@ -469,13 +469,13 @@ compile_length_string_node(Node* node, r ambig = NSTRING_IS_AMBIG(node); p = prev = sn->s; - prev_len = enclen(enc, p); + SAFE_ENC_LEN(enc, p, sn->end, prev_len); p += prev_len; slen = 1; rlen = 0; for (; p < sn->end; ) { - len = enclen(enc, p); + SAFE_ENC_LEN(enc, p, sn->end, len); if (len == prev_len) { slen++; } @@ -518,12 +518,12 @@ compile_string_node(Node* node, regex_t* ambig = NSTRING_IS_AMBIG(node); p = prev = sn->s; - prev_len = enclen(enc, p); + SAFE_ENC_LEN(enc, p, end, prev_len); p += prev_len; slen = 1; for (; p < end; ) { - len = enclen(enc, p); + SAFE_ENC_LEN(enc, p, end, len); if (len == prev_len) { slen++; } @@ -3435,7 +3435,7 @@ expand_case_fold_string(Node* node, rege goto err; } - len = enclen(reg->enc, p); + SAFE_ENC_LEN(reg->enc, p, end, len); if (n == 0) { if (IS_NULL(snode)) { Index: php-7.2.5/ext/mbstring/oniguruma/src/unicode.c =================================================================== --- php-7.2.5.orig/ext/mbstring/oniguruma/src/unicode.c 2018-04-24 17:09:55.000000000 +0200 +++ php-7.2.5/ext/mbstring/oniguruma/src/unicode.c 2019-03-11 17:56:58.618984274 +0100 @@ -255,6 +255,7 @@ onigenc_unicode_mbc_case_fold(OnigEncodi code = ONIGENC_MBC_TO_CODE(enc, p, end); len = enclen(enc, p); + if (*pp + len > end) len = end - *pp; *pp += len; #ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI Index: php-7.2.5/ext/mbstring/oniguruma/src/regparse.h =================================================================== --- php-7.2.5.orig/ext/mbstring/oniguruma/src/regparse.h 2018-04-24 17:09:55.000000000 +0200 +++ php-7.2.5/ext/mbstring/oniguruma/src/regparse.h 2019-03-11 17:56:58.618984274 +0100 @@ -348,4 +348,16 @@ extern int onig_print_names(FILE*, regex #endif #endif +#if (defined (__GNUC__) && __GNUC__ > 2 ) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) +# define UNEXPECTED(condition) __builtin_expect(condition, 0) +#else +# define UNEXPECTED(condition) (condition) +#endif + +#define SAFE_ENC_LEN(enc, p, end, res) do { \ + int __res = enclen(enc, p); \ + if (UNEXPECTED(p + __res > end)) __res = end - p; \ + res = __res; \ +} while(0); + #endif /* REGPARSE_H */ Index: php-7.2.5/ext/mbstring/oniguruma/src/utf16_be.c =================================================================== --- php-7.2.5.orig/ext/mbstring/oniguruma/src/utf16_be.c 2018-04-24 17:09:55.000000000 +0200 +++ php-7.2.5/ext/mbstring/oniguruma/src/utf16_be.c 2019-03-11 17:56:58.622984293 +0100 @@ -82,16 +82,18 @@ utf16be_is_mbc_newline(const UChar* p, c } static OnigCodePoint -utf16be_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED) +utf16be_mbc_to_code(const UChar* p, const UChar* end) { OnigCodePoint code; if (UTF16_IS_SURROGATE_FIRST(*p)) { + if (end - p < 4) return 0; code = ((((p[0] - 0xd8) << 2) + ((p[1] & 0xc0) >> 6) + 1) << 16) + ((((p[1] & 0x3f) << 2) + (p[2] - 0xdc)) << 8) + p[3]; } else { + if (end - p < 2) return 0; code = p[0] * 256 + p[1]; } return code; Index: php-7.2.5/ext/mbstring/oniguruma/src/utf16_le.c =================================================================== --- php-7.2.5.orig/ext/mbstring/oniguruma/src/utf16_le.c 2018-04-24 17:09:55.000000000 +0200 +++ php-7.2.5/ext/mbstring/oniguruma/src/utf16_le.c 2019-03-11 17:56:58.622984293 +0100 @@ -97,13 +97,14 @@ utf16le_is_mbc_newline(const UChar* p, c } static OnigCodePoint -utf16le_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED) +utf16le_mbc_to_code(const UChar* p, const UChar* end) { OnigCodePoint code; UChar c0 = *p; UChar c1 = *(p+1); if (UTF16_IS_SURROGATE_FIRST(c1)) { + if (end - p < 4) return 0; code = ((((c1 - 0xd8) << 2) + ((c0 & 0xc0) >> 6) + 1) << 16) + ((((c0 & 0x3f) << 2) + (p[3] - 0xdc)) << 8) + p[2]; Index: php-7.2.5/ext/mbstring/oniguruma/src/utf32_be.c =================================================================== --- php-7.2.5.orig/ext/mbstring/oniguruma/src/utf32_be.c 2018-04-24 17:09:55.000000000 +0200 +++ php-7.2.5/ext/mbstring/oniguruma/src/utf32_be.c 2019-03-11 17:56:58.622984293 +0100 @@ -67,6 +67,7 @@ utf32be_is_mbc_newline(const UChar* p, c static OnigCodePoint utf32be_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED) { + if (end - p < 4) return 0; return (OnigCodePoint )(((p[0] * 256 + p[1]) * 256 + p[2]) * 256 + p[3]); } Index: php-7.2.5/ext/mbstring/oniguruma/src/utf32_le.c =================================================================== --- php-7.2.5.orig/ext/mbstring/oniguruma/src/utf32_le.c 2018-04-24 17:09:55.000000000 +0200 +++ php-7.2.5/ext/mbstring/oniguruma/src/utf32_le.c 2019-03-11 17:56:58.622984293 +0100 @@ -67,6 +67,7 @@ utf32le_is_mbc_newline(const UChar* p, c static OnigCodePoint utf32le_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED) { + if (end - p < 4) return 0; return (OnigCodePoint )(((p[3] * 256 + p[2]) * 256 + p[1]) * 256 + p[0]); }
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