CRITICAL · 9.8

CVE-2016-5770

Integer overflow in the SplFileObject::fread function in spl_directory.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 allows remote attackers to cause a denial of service or possi...

Vulnerability Description

Integer overflow in the SplFileObject::fread function in spl_directory.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a large integer argument, a related issue to CVE-2016-5096.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
PhpPhp< 5.5.37
OpensuseLeap42.1
OpensuseOpensuse13.2
DebianDebian Linux8.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2016-5770?

CVE-2016-5770 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Integer overflow in the SplFileObject::fread function in spl_directory.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 allows remote attackers to cause a denial of service or possi...

How severe is CVE-2016-5770?

CVE-2016-5770 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2016-5770?

Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Opensuse Leap, Opensuse Opensuse, Debian Debian Linux.