SB2017070728 - Heap-out-of-bounds write in php5 (Alpine package) 

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Main Vulnerability Database SB2017070728

SB2017070728 - Heap-out-of-bounds write in php5 (Alpine package)

Published: July 7, 2017

Security Bulletin ID SB2017070728
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-out-of-bounds write (CVE-ID: CVE-2017-9228)

The vulnerability allows a remote attacker to execute arbitrary code.

The weakness exists in the mbstring due to heap out-of-bounds write in bitset_set_range() during regular expression compilation due to incorrect state transition in parse_char_class(). A remote attacker can trigger out-of-bounds write memory corruption and execute arbitrary code with web server privileges.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install update from vendor's website.

References