Multiple vulnerabilities in PHP
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Assertion failure
EUVDB-ID: #VU13014
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-617 - Reachable Assertion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to the try_catch_array allocation is empty and points at the very end of the script memory. A remote attacker can trigger assertion failure in file cache when unserializing empty try_catch_array and cause the service to crash.
Update to version 7.1.18 or 7.2.6.
Vulnerable software versionsPHP: 7.1.16 - 7.2.5
CPE2.3 External linkshttps://bugs.php.net/bug.php?id=76275
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) Heap-based buffer overflow
EUVDB-ID: #VU13015
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-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to heap-based buffer overflow. A remote attacker can trigger a memory corruption on exif_read_data and cause the service to crash.
Update to version 7.2.6.
Vulnerable software versionsPHP: 7.2.0 - 7.2.5
CPE2.3https://bugs.php.net/bug.php?id=76164
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.
