Multiple vulnerabilities in PHP



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID N/A
CWE-ID CWE-264
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 PHP
Universal components / Libraries / Scripting languages

Vendor PHP Group

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Segmentation fault

EUVDB-ID: #VU13421

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to segmentation fault when opcache enabled. A remote attacker can cause extension to use zend_register_class_alias, trigger segfault and cause the service to crash.

Mitigation

Update to version 7.2.7.

Vulnerable software versions

PHP: 7.2.5

CPE2.3 External links

https://bugs.php.net/bug.php?id=76337


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.

2) Segmentation fault

EUVDB-ID: #VU13422

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to segmentation fault when trying to get the current from an invalid iterator. A remote attacker can try to get the current from an invalid iterator, trigger segfault and cause the service to crash.

Mitigation

Update to version 7.1.19, 7.2.7.

Vulnerable software versions

PHP: 7.1.18 - 7.2.5

CPE2.3 External links

https://bugs.php.net/bug.php?id=76367


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.

3) Improper input validation

EUVDB-ID: #VU13423

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to insufficient validation of user-supplied input. A remote attacker can inject and execute the test script and cause the service to crash.

Mitigation

Update to version 7.2.7.

Vulnerable software versions

PHP: 7.2.6

CPE2.3 External links

https://bugs.php.net/bug.php?id=76410


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.



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