Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU10338
Risk: Low
CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2017-9119
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation in i_zval_ptr_dtor function in Zend/zend_variables.h when processing array data structures. A remote attacker can consume all available resources on the system and trigger application crash.
Update to version 5.6.31, 7.0.20 or 7.1.6.
PHP: 5.5.0 - 7.1.5
CPE2.3https:
https://bugs.php.net/bug.php?id=74593
Q & A
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.
EUVDB-ID: #VU10335
Risk: Low
CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2017-8923
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation in zend_string_extend() function in Zend/zend_string.h when leveraging a script's use of ".=" with a long. The application does not prevent changes to string objects that can result in a negative length. A remote attacker can pass an overly long string to script, which uses ".=" operand on the supplied data and trigger application crash.
Update to version 5.6.31, 7.0.20 or 7.1.6.
PHP: 5.5.0 - 7.1.5
CPE2.3https://bugs.php.net/bug.php?id=74577
https://bugs.php.net/bug.php?id=73122
Q & A
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.