Integer overflow in the str_pad function in ext/standard/string.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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-4346 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
Base Score | 5.1 |
---|---|
Base Metrics | AV:N/AC:H/Au:N/C:P/I:P/A:P |
Access Vector | Network |
Access Complexity | High |
Authentication | None |
Confidentiality Impact | Partial |
Integrity Impact | Partial |
Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Package | State |
---|---|---|
Red Hat Software Collections for Red Hat Enterprise Linux | php55-php | Not affected |
Red Hat Software Collections for Red Hat Enterprise Linux | rh-php56-php | Not affected |
Red Hat Software Collections for Red Hat Enterprise Linux | php54-php | Not affected |
Red Hat Enterprise Linux 7 | php | Not affected |
Red Hat Enterprise Linux 6 | php | Not affected |
Red Hat Enterprise Linux 5 | php53 | Not affected |
Red Hat Enterprise Linux 5 | php | Not affected |