diff options
Diffstat (limited to 'php-bug81726.patch')
| -rw-r--r-- | php-bug81726.patch | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/php-bug81726.patch b/php-bug81726.patch index 53dcde3..847ebff 100644 --- a/php-bug81726.patch +++ b/php-bug81726.patch @@ -86,3 +86,95 @@ index ba76a9b0e0..52c973d7c4 100644 continue; } +From 8fad7bf40e1b5bf74f308eb882b1d72987ef539c Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" <cmbecker69@gmx.de> +Date: Tue, 27 Sep 2022 17:43:40 +0200 +Subject: [PATCH] Fix regression introduced by fixing bug 81726 + +When a tar phar is created, `phar_open_from_fp()` is also called, but +since the file has just been created, none of the format checks can +succeed, so we continue to loop, but must not check again for the +format. Therefore, we bring back the old `test` variable. + +Closes GH-9620. + +(cherry picked from commit 432bf196d59bcb661fcf9cb7029cea9b43f490af) +--- + ext/phar/phar.c | 7 +++++-- + 1 file changed, 5 insertions(+), 2 deletions(-) + +diff --git a/ext/phar/phar.c b/ext/phar/phar.c +index 52c973d7c4..534af318f4 100644 +--- a/ext/phar/phar.c ++++ b/ext/phar/phar.c +@@ -1575,7 +1575,7 @@ static int phar_open_from_fp(php_stream* fp, char *fname, int fname_len, char *a + const char zip_magic[] = "PK\x03\x04"; + const char gz_magic[] = "\x1f\x8b\x08"; + const char bz_magic[] = "BZh"; +- char *pos; ++ char *pos, test = '\0'; + int recursion_count = 3; // arbitrary limit to avoid too deep or even infinite recursion + const int window_size = 1024; + char buffer[1024 + sizeof(token)]; /* a 1024 byte window + the size of the halt_compiler token (moving window) */ +@@ -1604,7 +1604,8 @@ static int phar_open_from_fp(php_stream* fp, char *fname, int fname_len, char *a + MAPPHAR_ALLOC_FAIL("internal corruption of phar \"%s\" (truncated entry)") + } + +- if (recursion_count) { ++ if (!test && recursion_count) { ++ test = '\1'; + pos = buffer+tokenlen; + if (!memcmp(pos, gz_magic, 3)) { + char err = 0; +@@ -1664,6 +1665,7 @@ static int phar_open_from_fp(php_stream* fp, char *fname, int fname_len, char *a + compression = PHAR_FILE_COMPRESSED_GZ; + + /* now, start over */ ++ test = '\0'; + if (!--recursion_count) { + MAPPHAR_ALLOC_FAIL("unable to decompress gzipped phar archive \"%s\""); + break; +@@ -1705,6 +1707,7 @@ static int phar_open_from_fp(php_stream* fp, char *fname, int fname_len, char *a + compression = PHAR_FILE_COMPRESSED_BZ2; + + /* now, start over */ ++ test = '\0'; + if (!--recursion_count) { + MAPPHAR_ALLOC_FAIL("unable to decompress bzipped phar archive \"%s\""); + break; +-- +2.37.3 + +From 9d32d284b25f5df75780911a47b3c23cbaac1761 Mon Sep 17 00:00:00 2001 +From: Remi Collet <remi@remirepo.net> +Date: Fri, 30 Sep 2022 09:22:14 +0200 +Subject: [PATCH] fix NEWS + +--- + NEWS | 8 +++++--- + 1 file changed, 5 insertions(+), 3 deletions(-) + +diff --git a/NEWS b/NEWS +index fe4cb9c484..b7a19aea19 100644 +--- a/NEWS ++++ b/NEWS +@@ -1,14 +1,16 @@ + PHP NEWS + ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| + +-Backported from 7.4.31 ++Backported from 7.4.32 + + - Core: +- . Fixed bug #81726: phar wrapper: DOS when using quine gzip file. +- (CVE-2022-31628). (cmb) + . Fixed bug #81727: Don't mangle HTTP variable names that clash with ones + that have a specific semantic meaning. (CVE-2022-31629). (Derick) + ++- Phar: ++ . Fixed bug #81726: phar wrapper: DOS when using quine gzip file. ++ (CVE-2022-31628). (cmb) ++ + Backported from 7.4.30 + + - mysqlnd: |