CVE-2016-4345
Integer overflow in the php_filter_encode_url function in ext/filter/sanitizing_filters.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long string, leading to a heap-based…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Integer overflow in the php_filter_encode_url function in ext/filter/sanitizing_filters.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long string, leading to a heap-based buffer overflow.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.17% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- php/php
- Source
- cve@mitre.org
References
- http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/04/28/2Mailing List, Third Party Advisory
- https://bugs.php.net/bug.php?id=71637Exploit, Issue Tracking, Patch, Vendor Advisory
- http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/04/28/2Mailing List, Third Party Advisory
- https://bugs.php.net/bug.php?id=71637Exploit, Issue Tracking, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.