Vulnerability identifier: #VU211
Vulnerability risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
PHP
Universal components / Libraries /
Scripting languages
Vendor: PHP Group
Description
The vulnerability allows a remote attacker to cause an integer overflow.
The vulnerability exists due to integer overflow in "_gdContributionsAlloc()" function. This vulnerability can be exploited to cause an out-of-bounds memory write access.
Successful exploitation of this vulnerability may result in denial of service.
Mitigation
Install the latest versions: (5.5.38, 5.6.24, 7.0.9).
Vulnerable software versions
PHP: 5.5.0 - 5.5.37, 5.6.0 - 5.6.23, 7.0.0 - 7.0.8
External links
http://bugs.php.net/bug.php?id=72558
http://php.net/ChangeLog-5.php#5.5.38
http://php.net/ChangeLog-5.php#5.6.24
http://php.net/ChangeLog-7.php#7.0.9
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.