From 18944c026cb4c71a0e566434abd1fd7f67dc2077 Mon Sep 17 00:00:00 2001 From: Remi Collet Date: Tue, 26 Nov 2024 16:23:28 +0100 Subject: Fix Heap-Use-After-Free in sapi_read_post_data Processing in CLI SAPI Interface GHSA-4w77-75f9-2c8w Fix OOB access in ldap_escape CVE-2024-8932 Fix Configuring a proxy in a stream context might allow for CRLF injection in URIs CVE-2024-11234 Fix Single byte overread with convert.quoted-printable-decode filter CVE-2024-11233 --- php-cve-2024-11233.patch | 166 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 166 insertions(+) create mode 100644 php-cve-2024-11233.patch (limited to 'php-cve-2024-11233.patch') diff --git a/php-cve-2024-11233.patch b/php-cve-2024-11233.patch new file mode 100644 index 0000000..f89b1eb --- /dev/null +++ b/php-cve-2024-11233.patch @@ -0,0 +1,166 @@ +From 013befd9cf8c6f8944bcb81cb9c4b83607dcc2a4 Mon Sep 17 00:00:00 2001 +From: Niels Dossche <7771979+nielsdos@users.noreply.github.com> +Date: Fri, 8 Nov 2024 22:04:21 +0100 +Subject: [PATCH 3/6] Fix GHSA-r977-prxv-hc43 + +Move the bound check upwards. Since this doesn't generate output we can +check the bound first. + +(cherry picked from commit 81030c9bbb5cd2e740b8398bb7212df9709f0274) +(cherry picked from commit 2cee10a1206f5bc7724232d3988be2cfcb0bc9df) +(cherry picked from commit 44a5975f83a02eb8169d12af912e6222b28216d0) +(cherry picked from commit 7065fa31a468139f07b40f7036ce4761037dafd2) +(cherry picked from commit 0a651c02701268532a9754542f629af85e28ae02) +(cherry picked from commit 0abb863a23d132c4c4d0dd996f526da087dc1c05) +(cherry picked from commit 9f08040f58aab60a13cbc06013cf684a9537342a) +(cherry picked from commit 7958fcc3d73b722286fb0ec800530750c8f17bdd) +--- + ext/standard/filters.c | 7 ++++--- + ext/standard/tests/filters/ghsa-r977-prxv-hc43.phpt | 12 ++++++++++++ + 2 files changed, 16 insertions(+), 3 deletions(-) + create mode 100644 ext/standard/tests/filters/ghsa-r977-prxv-hc43.phpt + +diff --git a/ext/standard/filters.c b/ext/standard/filters.c +index 9718a45be2..ee02a84720 100644 +--- a/ext/standard/filters.c ++++ b/ext/standard/filters.c +@@ -1133,6 +1133,9 @@ static php_conv_err_t php_conv_qprint_decode_convert(php_conv_qprint_decode *ins + } break; + + case 5: { ++ if (icnt == 0) { ++ goto out; ++ } + if (!inst->lbchars && lb_cnt == 1 && *ps == '\n') { + /* auto-detect soft line breaks, found network line break */ + lb_cnt = lb_ptr = 0; +@@ -1146,15 +1149,13 @@ static php_conv_err_t php_conv_qprint_decode_convert(php_conv_qprint_decode *ins + /* soft line break */ + lb_cnt = lb_ptr = 0; + scan_stat = 0; +- } else if (icnt > 0) { ++ } else { + if (*ps == (unsigned char)inst->lbchars[lb_cnt]) { + lb_cnt++; + ps++, icnt--; + } else { + scan_stat = 6; /* no break for short-cut */ + } +- } else { +- goto out; + } + } break; + +diff --git a/ext/standard/tests/filters/ghsa-r977-prxv-hc43.phpt b/ext/standard/tests/filters/ghsa-r977-prxv-hc43.phpt +new file mode 100644 +index 0000000000..8fdcce8ff2 +--- /dev/null ++++ b/ext/standard/tests/filters/ghsa-r977-prxv-hc43.phpt +@@ -0,0 +1,12 @@ ++--TEST-- ++GHSA-r977-prxv-hc43: Single byte overread with convert.quoted-printable-decode filter ++--FILE-- ++ ++--EXPECT-- ++string(8190) "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA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+-- +2.47.0 + +From 55f2455e788ba9f5110aa16fb46bca76ecce2bc4 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" +Date: Mon, 8 Jun 2020 23:19:43 +0200 +Subject: [PATCH 4/6] Fix #74267: segfault with streams and invalid data + +If the current character is a line break character, it cannot be a tab +or space character, so we would always fail with an invalid sequence +error. Obviously, these `scan_stat == 4` conditions are meant to be +exclusive. + +Furthermore, if `in_pp == NULL || in_left_p == NULL` is true, we hit a +segfault if we are not returning right away. Obviously, the additional +constraints don't make sense, so we remove them. + +(cherry picked from commit 12c59f6660706321f9d42c55421ff6864439c8b7) +(cherry picked from commit d149a44b005e0d24208b0bd0f7179dfbbfffefb1) +(cherry picked from commit c173da70f301433a5d49df1d53a7930f92974820) +(cherry picked from commit 0535796c578ac643141db13d95ef4cd82b5dcef9) +(cherry picked from commit 877cb7d4c284ace52a9b99f64ba98588b75e0c64) +--- + ext/standard/filters.c | 7 +++---- + ext/standard/tests/filters/bug74267.phpt | 26 ++++++++++++++++++++++++ + 2 files changed, 29 insertions(+), 4 deletions(-) + create mode 100644 ext/standard/tests/filters/bug74267.phpt + +diff --git a/ext/standard/filters.c b/ext/standard/filters.c +index ee02a84720..2a256a3088 100644 +--- a/ext/standard/filters.c ++++ b/ext/standard/filters.c +@@ -800,7 +800,7 @@ static php_conv_err_t php_conv_qprint_encode_convert(php_conv_qprint_encode *ins + lb_ptr = inst->lb_ptr; + lb_cnt = inst->lb_cnt; + +- if ((in_pp == NULL || in_left_p == NULL) && (lb_ptr >=lb_cnt)) { ++ if (in_pp == NULL || in_left_p == NULL) { + return PHP_CONV_ERR_SUCCESS; + } + +@@ -1027,7 +1027,7 @@ static php_conv_err_t php_conv_qprint_decode_convert(php_conv_qprint_decode *ins + lb_ptr = inst->lb_ptr; + lb_cnt = inst->lb_cnt; + +- if ((in_pp == NULL || in_left_p == NULL) && lb_cnt == lb_ptr) { ++ if (in_pp == NULL || in_left_p == NULL) { + if (inst->scan_stat != 0) { + return PHP_CONV_ERR_UNEXPECTED_EOS; + } +@@ -1124,8 +1124,7 @@ static php_conv_err_t php_conv_qprint_decode_convert(php_conv_qprint_decode *ins + *ps == (unsigned char)inst->lbchars[lb_cnt]) { + lb_cnt++; + scan_stat = 5; +- } +- if (*ps != '\t' && *ps != ' ') { ++ } else if (*ps != '\t' && *ps != ' ') { + err = PHP_CONV_ERR_INVALID_SEQ; + goto out; + } +diff --git a/ext/standard/tests/filters/bug74267.phpt b/ext/standard/tests/filters/bug74267.phpt +new file mode 100644 +index 0000000000..17d7996b7f +--- /dev/null ++++ b/ext/standard/tests/filters/bug74267.phpt +@@ -0,0 +1,26 @@ ++--TEST-- ++Bug #74267 (segfault with streams and invalid data) ++--FILE-- ++ "\r\n"]); ++ ++$lines = [ ++ "\r\n", ++ " -=()\r\n", ++ " -=\r\n", ++ "\r\n" ++ ]; ++ ++foreach ($lines as $line) { ++ fwrite($stream, $line); ++} ++ ++fclose($stream); ++echo "done\n"; ++?> ++--EXPECTF-- ++Warning: fwrite(): stream filter (convert.quoted-printable-decode): invalid byte sequence in %s on line %d ++ ++Warning: fwrite(): stream filter (convert.quoted-printable-decode): invalid byte sequence in %s on line %d ++done +-- +2.47.0 + -- cgit