SB2018020113 - Multiple vulnerabilities in PHP

Main Vulnerability Database SB2018020113

SB2018020113 - Multiple vulnerabilities in PHP

Published: February 1, 2018

Security Bulletin ID SB2018020113

CSH Severity

Low

Patch available

YES

Number of vulnerabilities 5

Exploitation vector Remote access

Highest impact Denial of service

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 5 vulnerabilities.

1) Memory corruption (CVE-ID: N/A)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 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

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

The weakness exists due to imap_append HeapCorruction. A remote attacker can trigger memory corruption and cause the service to crash.

2) Memory corruption (CVE-ID: N/A)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 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

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

The weakness exists due to use of all interned strings free memory. A remote attacker can trigger memory corruption and cause the service to crash.

3) Denial of service (CVE-ID: N/A)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: 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

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

The weakness exists due to an error when calling on a connection to cockroach. A remote attacker can trigger memory corruption and cause pg_version() to crash.

4) Memory leak (CVE-ID: N/A)

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

CVSSv4: 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

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

The weakness exists due to potential memory leak in internal classes' static members. A remote attacker can trigger NULL pointer dereference and cause the service to crash.

5) Denial of service (CVE-ID: N/A)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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

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

The weakness exists due to an error when handling malicious calls. A remote attacker can cause the fast CGI process to crash when PHP calls getenv() with a second parameter (local_only) of false.

Remediation

Install update from vendor's website.

References