CVE-2017-16642

In PHP before 5.6.32, 7.x before 7.0.25, and 7.1.x before 7.1.11, an error in the date extension's timelib_meridian handling of 'front of' and 'back of' directives could be used by attackers able to supply date strings to leak information from the interpreter, related to ext/date/lib/parse_date.c out-of-bounds reads affecting the php_parse_date function. NOTE: this is a different issue than CVE-2017-11145.

This update for php7 fixes the following issues:

Security issues fixed:

• CVE-2017-16642: Fix timelib_meridian error that could be used to leak information from the interpreter (bsc#1067441).
• CVE-2017-9229: Fix invalid pointer dereference in left_adjust_char_head() (bsc#1069631).
• CVE-2017-9228: Fix heap out-of-bounds write that occurs in bitset_set_range() during regex compilation (bsc#1069606).

Bugs fixed:

• Fix wrong reference when serialize/unserialize an object (bsc#1063815).

This update for php5 fixes the following issues:

Security issues fixed:

• CVE-2017-16642: Fix timelib_meridian error that could be used to leak information from the interpreter (bsc#1067441).
• CVE-2017-4025: Fix pathname truncation in set_include_path, tempnam, rmdir, and readlink (bsc#1067090).
• CVE-2017-9228: Fix heap out-of-bounds write that occurs in bitset_set_range() during regex compilation (bsc#1069606).
• CVE-2017-9229: Fix invalid pointer dereference in left_adjust_char_head() (bsc#1069631).

This update for php53 fixes the following issues:

Security issues fixed:

• CVE-2017-16642: Fix timelib_meridian error that could be used to leak information from the interpreter (bsc#1067441).
• CVE-2017-9228: Fix heap out-of-bounds write that occurs in bitset_set_range() during regex compilation (bsc#1069606).
• CVE-2017-9229: Fix invalid pointer dereference in left_adjust_char_head() (bsc#1069631).

It was discovered that PHP incorrectly handled the PHAR 404 error page. A remote attacker could possibly use this issue to conduct cross-site scripting (XSS) attacks. (CVE-2018-5712)

It was discovered that PHP incorrectly handled memory when unserializing certain data. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-12933)

It was discovered that PHP incorrectly handled 'front of' and 'back of' date directives. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2017-16642)