SB2018072111 - Man-in-the-middle attack in php7 (Alpine package)



SB2018072111 - Man-in-the-middle attack in php7 (Alpine package)

Published: July 21, 2018

Security Bulletin ID SB2018072111
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Man-in-the-middle attack (CVE-ID: CVE-2018-10548)

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

The weakness exists in the ext/ldap/ldap.c source code file due to improper handling of return values from the ldap_get_dn function. A remote attacker can use man-in-the middle techniques to trigger ldap_get_dn() to return a NULL pointer and cause ldap_get_entries() because add_assoc_string() to crash.

Remediation

Install update from vendor's website.