diff options
| author | Remi Collet <remi@remirepo.net> | 2020-08-20 13:24:59 +0200 |
|---|---|---|
| committer | Remi Collet <remi@remirepo.net> | 2020-08-20 13:24:59 +0200 |
| commit | 57ef8b9c95af7540d2104595a4c5662aaa4950ea (patch) | |
| tree | d02f21d5b2e9b45ce794569a06c487b0801b2d8e /php-bug79797.patch | |
| parent | 96f0db9b53d1d623da2c16fc4c20ac81344fcaf0 (diff) | |
Core:
Fix #79877 getimagesize function silently truncates after a null byte
Phar:
Fix #79797 use of freed hash key in the phar_parse_zipfile function
CVE-2020-7068
Diffstat (limited to 'php-bug79797.patch')
| -rw-r--r-- | php-bug79797.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/php-bug79797.patch b/php-bug79797.patch new file mode 100644 index 0000000..c386b13 --- /dev/null +++ b/php-bug79797.patch @@ -0,0 +1,52 @@ +Partial, without binary part + + + +From bd3395d35b2bbed0f6716c33cff217b00eddc2eb Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" <cmbecker69@gmx.de> +Date: Tue, 14 Jul 2020 17:04:24 +0200 +Subject: [PATCH] Fix #79797: Use of freed hash key in the phar_parse_zipfile + function + +We must not use heap memory after we freed it. + +(cherry picked from commit 7355ab81763a3d6a04ac11660e6a16d58838d187) +--- + NEWS | 6 ++++++ + ext/phar/tests/bug79797.phar | Bin 0 -> 274 bytes + ext/phar/tests/bug79797.phpt | 14 ++++++++++++++ + ext/phar/zip.c | 2 +- + 4 files changed, 21 insertions(+), 1 deletion(-) + create mode 100644 ext/phar/tests/bug79797.phar + create mode 100644 ext/phar/tests/bug79797.phpt + +diff --git a/NEWS b/NEWS +index e153539d98..2655a1747f 100644 +--- a/NEWS ++++ b/NEWS +@@ -1,6 +1,12 @@ + PHP NEWS + ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| + ++Backported from 7.2.33 ++ ++- Phar: ++ . Fixed bug #79797 (Use of freed hash key in the phar_parse_zipfile ++ function). (CVE-2020-7068) (cmb) ++ + Backported from 7.2.31 + + - Core: +diff --git a/ext/phar/zip.c b/ext/phar/zip.c +index 1c05fbd80f..f9b43a5487 100644 +--- a/ext/phar/zip.c ++++ b/ext/phar/zip.c +@@ -704,7 +704,7 @@ int phar_parse_zipfile(php_stream *fp, char *fname, int fname_len, char *alias, + efree(actual_alias); + } + +- zend_hash_str_add_ptr(&(PHAR_G(phar_alias_map)), actual_alias, mydata->alias_len, mydata); ++ zend_hash_str_add_ptr(&(PHAR_G(phar_alias_map)), mydata->alias, mydata->alias_len, mydata); + } else { + phar_archive_data *fd_ptr; + |