diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | php-bug76450.patch | 209 | ||||
| -rw-r--r-- | php-bug81122.patch | 88 | ||||
| -rw-r--r-- | php.spec | 19 |
4 files changed, 314 insertions, 3 deletions
@@ -1,2 +1,3 @@ +clog php-*.tar.xz php71-php-*src.rpm diff --git a/php-bug76450.patch b/php-bug76450.patch new file mode 100644 index 0000000..86594a6 --- /dev/null +++ b/php-bug76450.patch @@ -0,0 +1,209 @@ +From dea5f0e827021b24581e735e2998fed07036acb7 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" <cmbecker69@gmx.de> +Date: Wed, 5 May 2021 12:42:17 +0200 +Subject: [PATCH 3/7] Fix #76452: Crash while parsing blob data in + firebird_fetch_blob + +We need to prevent integer overflow when calling `erealloc()` with +`len+1`. + +(cherry picked from commit 286162e9b03071c4308e7e92597bca4239f49d89) +--- + ext/pdo_firebird/firebird_statement.c | 5 +++++ + ext/pdo_firebird/tests/bug_76452.data | Bin 0 -> 856 bytes + ext/pdo_firebird/tests/bug_76452.phpt | 31 ++++++++++++++++++++++++++ + 3 files changed, 36 insertions(+) + create mode 100644 ext/pdo_firebird/tests/bug_76452.data + create mode 100644 ext/pdo_firebird/tests/bug_76452.phpt + +diff --git a/ext/pdo_firebird/firebird_statement.c b/ext/pdo_firebird/firebird_statement.c +index 1c0f5b6071..c5e6b684c3 100644 +--- a/ext/pdo_firebird/firebird_statement.c ++++ b/ext/pdo_firebird/firebird_statement.c +@@ -294,6 +294,11 @@ static int firebird_fetch_blob(pdo_stmt_t *stmt, int colno, char **ptr, /* {{{ * + unsigned short seg_len; + ISC_STATUS stat; + ++ /* prevent overflow */ ++ if (*len == ZEND_ULONG_MAX) { ++ result = 0; ++ goto fetch_blob_end; ++ } + *ptr = S->fetch_buf[colno] = erealloc(S->fetch_buf[colno], *len+1); + + for (cur_len = stat = 0; (!stat || stat == isc_segment) && cur_len < *len; cur_len += seg_len) { + +From 9543fdf49a36d4d7d341dd8065b341c55680acc6 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" <cmbecker69@gmx.de> +Date: Fri, 30 Apr 2021 14:10:50 +0200 +Subject: [PATCH 4/7] Fix #76450: SIGSEGV in firebird_stmt_execute + +We need to verify that the `result_size` is not larger than our buffer, +and also should make sure that the `len` which is passed to +`isc_vax_integer()` has a permissible value; otherwise we bail out. + +(cherry picked from commit bcbf8aa0c96d8d9e81ec3428232485555fae0b37) +--- + ext/pdo_firebird/firebird_statement.c | 7 +++++++ + ext/pdo_firebird/tests/bug_76450.data | Bin 0 -> 464 bytes + ext/pdo_firebird/tests/bug_76450.phpt | 29 ++++++++++++++++++++++++++ + 3 files changed, 36 insertions(+) + create mode 100644 ext/pdo_firebird/tests/bug_76450.data + create mode 100644 ext/pdo_firebird/tests/bug_76450.phpt + +diff --git a/ext/pdo_firebird/firebird_statement.c b/ext/pdo_firebird/firebird_statement.c +index c5e6b684c3..bdde6c7cf2 100644 +--- a/ext/pdo_firebird/firebird_statement.c ++++ b/ext/pdo_firebird/firebird_statement.c +@@ -133,8 +133,14 @@ static int firebird_stmt_execute(pdo_stmt_t *stmt) /* {{{ */ + } + if (result[0] == isc_info_sql_records) { + unsigned i = 3, result_size = isc_vax_integer(&result[1], 2); ++ if (result_size > sizeof(result)) { ++ goto error; ++ } + while (result[i] != isc_info_end && i < result_size) { + short len = (short) isc_vax_integer(&result[i + 1], 2); ++ if (len != 1 && len != 2 && len != 4) { ++ goto error; ++ } + if (result[i] != isc_info_req_select_count) { + affected_rows += isc_vax_integer(&result[i + 3], len); + } +@@ -158,6 +164,7 @@ static int firebird_stmt_execute(pdo_stmt_t *stmt) /* {{{ */ + return 1; + } while (0); + ++error: + RECORD_ERROR(stmt); + + return 0; + +From bced1923e48355048fd6a05484244b7163467342 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" <cmbecker69@gmx.de> +Date: Fri, 30 Apr 2021 13:53:21 +0200 +Subject: [PATCH 5/7] Fix #76449: SIGSEGV in firebird_handle_doer + +We need to verify that the `result_size` is not larger than our buffer, +and also should make sure that the `len` which is passed to +`isc_vax_integer()` has a permissible value; otherwise we bail out. + +(cherry picked from commit 08da7c73726f7b86b67d6f0ff87c73c585a7834a) +--- + ext/pdo_firebird/firebird_driver.c | 9 +++++++++ + ext/pdo_firebird/tests/bug_76449.data | Bin 0 -> 464 bytes + ext/pdo_firebird/tests/bug_76449.phpt | 23 +++++++++++++++++++++++ + 3 files changed, 32 insertions(+) + create mode 100644 ext/pdo_firebird/tests/bug_76449.data + create mode 100644 ext/pdo_firebird/tests/bug_76449.phpt + +diff --git a/ext/pdo_firebird/firebird_driver.c b/ext/pdo_firebird/firebird_driver.c +index 3b39cc6c8b..62caf86631 100644 +--- a/ext/pdo_firebird/firebird_driver.c ++++ b/ext/pdo_firebird/firebird_driver.c +@@ -253,8 +253,17 @@ static zend_long firebird_handle_doer(pdo_dbh_t *dbh, const char *sql, size_t sq + if (result[0] == isc_info_sql_records) { + unsigned i = 3, result_size = isc_vax_integer(&result[1],2); + ++ if (result_size > sizeof(result)) { ++ ret = -1; ++ goto free_statement; ++ } + while (result[i] != isc_info_end && i < result_size) { + short len = (short)isc_vax_integer(&result[i+1],2); ++ /* bail out on bad len */ ++ if (len != 1 && len != 2 && len != 4) { ++ ret = -1; ++ goto free_statement; ++ } + if (result[i] != isc_info_req_select_count) { + ret += isc_vax_integer(&result[i+3],len); + } + +From eec3aaecf00b5a418a03c0531351a34260e11427 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" <cmbecker69@gmx.de> +Date: Thu, 29 Apr 2021 15:26:22 +0200 +Subject: [PATCH 6/7] Fix #76448: Stack buffer overflow in firebird_info_cb + +We ensure not to overflow the stack allocated buffer by using `strlcat`. + +(cherry picked from commit 67afa32541ebc4abbf633cb1e7e879b2fbb616ad) +--- + ext/pdo_firebird/firebird_driver.c | 8 +++++--- + ext/pdo_firebird/tests/bug_76448.data | Bin 0 -> 749 bytes + ext/pdo_firebird/tests/bug_76448.phpt | 23 +++++++++++++++++++++++ + 3 files changed, 28 insertions(+), 3 deletions(-) + create mode 100644 ext/pdo_firebird/tests/bug_76448.data + create mode 100644 ext/pdo_firebird/tests/bug_76448.phpt + +diff --git a/ext/pdo_firebird/firebird_driver.c b/ext/pdo_firebird/firebird_driver.c +index 62caf86631..f9ec0eb847 100644 +--- a/ext/pdo_firebird/firebird_driver.c ++++ b/ext/pdo_firebird/firebird_driver.c +@@ -556,14 +556,16 @@ static int firebird_handle_set_attribute(pdo_dbh_t *dbh, zend_long attr, zval *v + } + /* }}} */ + ++#define INFO_BUF_LEN 512 ++ + /* callback to used to report database server info */ + static void firebird_info_cb(void *arg, char const *s) /* {{{ */ + { + if (arg) { + if (*(char*)arg) { /* second call */ +- strcat(arg, " "); ++ strlcat(arg, " ", INFO_BUF_LEN); + } +- strcat(arg, s); ++ strlcat(arg, s, INFO_BUF_LEN); + } + } + /* }}} */ +@@ -574,7 +576,7 @@ static int firebird_handle_get_attribute(pdo_dbh_t *dbh, zend_long attr, zval *v + pdo_firebird_db_handle *H = (pdo_firebird_db_handle *)dbh->driver_data; + + switch (attr) { +- char tmp[512]; ++ char tmp[INFO_BUF_LEN]; + + case PDO_ATTR_AUTOCOMMIT: + ZVAL_LONG(val,dbh->auto_commit); + +From 21368561ec3949872822e4f24659d91ab590ec69 Mon Sep 17 00:00:00 2001 +From: Stanislav Malyshev <stas@php.net> +Date: Sun, 20 Jun 2021 22:20:38 -0700 +Subject: [PATCH 7/7] Update NEWS + +(cherry picked from commit c68a687566591e2268f35d124a90c7d556ce968b) +(cherry picked from commit 7598733c51af30611aa64e456c9a777069d2efb9) +--- + NEWS | 13 +++++++++++++ + 1 file changed, 13 insertions(+) + +diff --git a/NEWS b/NEWS +index 63295d3b76..b1b31e5dd0 100644 +--- a/NEWS ++++ b/NEWS +@@ -1,6 +1,19 @@ + PHP NEWS + ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| + ++Backported from 7.3.29 ++ ++- Core: ++ . Fixed #81122: SSRF bypass in FILTER_VALIDATE_URL. (CVE-2021-21705) (cmb) ++ ++- PDO_Firebird: ++ . Fixed #76448: Stack buffer overflow in firebird_info_cb. (CVE-2021-21704) ++ (cmb) ++ . Fixed #76449: SIGSEGV in firebird_handle_doer. (CVE-2021-21704) (cmb) ++ . Fixed #76450: SIGSEGV in firebird_stmt_execute. (CVE-2021-21704) (cmb) ++ . Fixed #76452: Crash while parsing blob data in firebird_fetch_blob. ++ (CVE-2021-21704) (cmb) ++ + Backported from 7.3.28 + + - Imap: +-- +2.31.1 + diff --git a/php-bug81122.patch b/php-bug81122.patch new file mode 100644 index 0000000..9ad5b61 --- /dev/null +++ b/php-bug81122.patch @@ -0,0 +1,88 @@ +From 2ebad60c4ada6a49e5d5ab7abf20fd557c0f7764 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" <cmbecker69@gmx.de> +Date: Mon, 14 Jun 2021 13:22:27 +0200 +Subject: [PATCH 1/7] Fix #81122: SSRF bypass in FILTER_VALIDATE_URL + +We need to ensure that the password detected by parse_url() is actually +a valid password; we can re-use is_userinfo_valid() for that. + +(cherry picked from commit a5538c62293fa782fcc382d0635cfc0c8b9190e3) +--- + ext/filter/logical_filters.c | 4 +++- + ext/filter/tests/bug81122.phpt | 21 +++++++++++++++++++++ + 2 files changed, 24 insertions(+), 1 deletion(-) + create mode 100644 ext/filter/tests/bug81122.phpt + +diff --git a/ext/filter/logical_filters.c b/ext/filter/logical_filters.c +index 1c51e6d2ef..1cd602301f 100644 +--- a/ext/filter/logical_filters.c ++++ b/ext/filter/logical_filters.c +@@ -587,7 +587,9 @@ bad_url: + RETURN_VALIDATION_FAILED + } + +- if (url->user != NULL && !is_userinfo_valid(url->user)) { ++ if (url->user != NULL && !is_userinfo_valid(url->user) ++ || url->pass != NULL && !is_userinfo_valid(url->pass) ++ ) { + php_url_free(url); + RETURN_VALIDATION_FAILED + +diff --git a/ext/filter/tests/bug81122.phpt b/ext/filter/tests/bug81122.phpt +new file mode 100644 +index 0000000000..d89d4114a5 +--- /dev/null ++++ b/ext/filter/tests/bug81122.phpt +@@ -0,0 +1,21 @@ ++--TEST-- ++Bug #81122 (SSRF bypass in FILTER_VALIDATE_URL) ++--SKIPIF-- ++<?php ++if (!extension_loaded('filter')) die("skip filter extension not available"); ++?> ++--FILE-- ++<?php ++$urls = [ ++ "https://example.com:\\@test.com/", ++ "https://user:\\epass@test.com", ++ "https://user:\\@test.com", ++]; ++foreach ($urls as $url) { ++ var_dump(filter_var($url, FILTER_VALIDATE_URL)); ++} ++?> ++--EXPECT-- ++bool(false) ++bool(false) ++bool(false) +-- +2.31.1 + +From 7b18a837649c3b36bd51c46a7c3dc9525a69aba5 Mon Sep 17 00:00:00 2001 +From: Stanislav Malyshev <stas@php.net> +Date: Sun, 27 Jun 2021 21:57:58 -0700 +Subject: [PATCH 2/7] Fix warning + +(cherry picked from commit 190013787bbc424c240413d914e3a038f974ccef) +--- + ext/filter/logical_filters.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/ext/filter/logical_filters.c b/ext/filter/logical_filters.c +index 1cd602301f..8b0d034e5d 100644 +--- a/ext/filter/logical_filters.c ++++ b/ext/filter/logical_filters.c +@@ -587,8 +587,8 @@ bad_url: + RETURN_VALIDATION_FAILED + } + +- if (url->user != NULL && !is_userinfo_valid(url->user) +- || url->pass != NULL && !is_userinfo_valid(url->pass) ++ if ((url->user != NULL && !is_userinfo_valid(url->user)) ++ || (url->pass != NULL && !is_userinfo_valid(url->pass)) + ) { + php_url_free(url); + RETURN_VALIDATION_FAILED +-- +2.31.1 + @@ -126,7 +126,7 @@ Summary: PHP scripting language for creating dynamic web sites Name: %{?scl_prefix}php Version: %{upver}%{?rcver:~%{rcver}} -Release: 14%{?dist} +Release: 15%{?dist} # All files licensed under PHP version 3.01, except # Zend is licensed under Zend # TSRM is licensed under BSD @@ -213,6 +213,8 @@ Patch221: php-bug79699.patch Patch222: php-bug77423.patch Patch223: php-bug80672.patch Patch224: php-bug80710.patch +Patch225: php-bug81122.patch +Patch226: php-bug76450.patch # Fixes for tests (300+) # Factory is droped from system tzdata @@ -971,6 +973,8 @@ sed -e 's/php-devel/%{?scl_prefix}php-devel/' -i scripts/phpize.in %patch222 -p1 -b .bug77423 %patch223 -p1 -b .bug80672 %patch224 -p1 -b .bug80710 +%patch225 -p1 -b .bug81122 +%patch226 -p1 -b .bug76450 # Fixes for tests %patch300 -p1 -b .datetests @@ -987,7 +991,7 @@ rm ext/openssl/tests/bug65538_003.phpt # WIP patch # Prevent %%doc confusion over LICENSE files -cp Zend/LICENSE Zend/ZEND_LICENSE +cp Zend/LICENSE ZEND_LICENSE cp TSRM/LICENSE TSRM_LICENSE %if ! %{with_libgd} cp ext/gd/libgd/README libgd_README @@ -1778,7 +1782,7 @@ EOF %files common -f files.common %doc CODING_STANDARDS CREDITS EXTENSIONS NEWS README* -%license LICENSE TSRM_LICENSE +%license LICENSE TSRM_LICENSE ZEND_LICENSE %license libmagic_LICENSE %license phar_LICENSE %license timelib_LICENSE @@ -1935,6 +1939,15 @@ EOF %changelog +* Mon Jun 28 2021 Remi Collet <remi@remirepo.net> - 7.1.33-15 +- Fix #81122 SSRF bypass in FILTER_VALIDATE_URL + CVE-2021-21705 +- Fix #76448 Stack buffer overflow in firebird_info_cb +- Fix #76449 SIGSEGV in firebird_handle_doer +- Fix #76450 SIGSEGV in firebird_stmt_execute +- Fix #76452 Crash while parsing blob data in firebird_fetch_blob + CVE-2021-21704 + * Thu May 27 2021 Remi Collet <remi@remirepo.net> - 7.1.33-14 - fix snmp extension build with net-snmp without DES |