The zend_string_extend function in Zend/zend_string.h in PHP through 7.1.5 does not prevent changes to string objects that result in a negative length, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact by leveraging a script's use of .= with a long string.
References
Link | Resource |
---|---|
http://www.securityfocus.com/bid/98518 | Third Party Advisory VDB Entry |
https://bugs.php.net/bug.php?id=74577 | Exploit Issue Tracking Vendor Advisory |
http://www.securityfocus.com/bid/98518 | Third Party Advisory VDB Entry |
https://bugs.php.net/bug.php?id=74577 | Exploit Issue Tracking Vendor Advisory |
Configurations
History
21 Nov 2024, 03:34
Type | Values Removed | Values Added |
---|---|---|
References | () http://www.securityfocus.com/bid/98518 - Third Party Advisory, VDB Entry | |
References | () https://bugs.php.net/bug.php?id=74577 - Exploit, Issue Tracking, Vendor Advisory |
Information
Published : 2017-05-12 20:29
Updated : 2024-11-21 03:34
NVD link : CVE-2017-8923
Mitre link : CVE-2017-8923
CVE.ORG link : CVE-2017-8923
JSON object : View
Products Affected
php
- php
CWE
CWE-787
Out-of-bounds Write