Multiple vulnerabilities in PHP

1) Memory leak

EUVDB-ID: #VU14458

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to memory leak when fetching a BLOB field. A remote attacker can submit a malicious BLOB field and gain access to arbitrary data.

Mitigation

The vulnerability has been fixed in the versions 7.1.21, 7.2.9.

Vulnerable software versions

PHP: 7.0.0 - 7.2.8

CPE2.3

• cpe:2.3:a:php_group:php:7.0.31:*:*:*:*:*:*:*
• cpe:2.3:a:php_group:php:7.1.20:*:*:*:*:*:*:*
• cpe:2.3:a:php_group:php:7.2.8:*:*:*:*:*:*:*

External links

https://bugs.php.net/bug.php?id=76488

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) Memory leak

EUVDB-ID: #VU14459

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-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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

The weakness exists due to memory leak when using PDO::CURSOR_SCROLL option. A remote attacker can trigger memory corruption and cause httpd.exe to crash on 32 bit systems.

Mitigation

The vulnerability has been fixed in the versions 7.1.21, 7.2.9.

Vulnerable software versions

PHP: 7.1.0 - 7.2.8

CPE2.3

External links

https://bugs.php.net/bug.php?id=75402

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) Segmentation fault

EUVDB-ID: #VU14460

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 segmentation fault when using `output_add_rewrite_var. A remote attacker can cause the service to crash.

Mitigation

The vulnerability has been fixed in the versions 7.1.21, 7.2.9.

Vulnerable software versions

PHP: 7.1.0 - 7.2.8

CPE2.3

External links

https://bugs.php.net/bug.php?id=76643

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.

4) Memory leak

EUVDB-ID: #VU14461

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-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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

The weakness exists due to ZipArchive memory leak. A remote attacker can trigger flag overwrite and empty archive and cause the service to crash.

Mitigation

The vulnerability has been fixed in the versions 7.1.21, 7.2.9.

Vulnerable software versions

PHP: 7.1.0 - 7.2.8

CPE2.3

External links

https://bugs.php.net/bug.php?id=76524

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.