#VU54566 Stack-based buffer overflow in PHP
Vulnerability identifier: #VU54566
Vulnerability risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-121
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 execute arbitrary code on the target system.
Multiple boundary errors exists within firebird_info_cb(), firebird_handle_doer(), firebird_stmt_execute(), and firebird_fetch_blob() function. A remote attacker can pass specially crafted input to the application, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
PHP: 8.0.0 - 8.0.7, 7.4 - 7.4.20, 7.3 - 7.3.28
External links
http://www.php.net/ChangeLog-8.php#8.0.8
http://www.php.net/ChangeLog-7.php#7.4.21
http://www.php.net/ChangeLog-7.php#7.3.29
http://bugs.php.net/76448
http://bugs.php.net/76449
http://bugs.php.net/76450
http://bugs.php.net/76452
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.
