SB2016050927 - Heap-based buffer overflow in php7 (Alpine package)

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Main Vulnerability Database SB2016050927

SB2016050927 - Heap-based buffer overflow in php7 (Alpine package)

Published: May 9, 2016

Security Bulletin ID SB2016050927
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-based buffer overflow (CVE-ID: CVE-2016-1283)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in The pcre_compile2 function in pcre_compile.c in PCRE 8.38 mishandles the /((?:F?+(?:^(?(R)a+"){99}-))(?J)(?'R'(?'R'<((?'RR'(?'R'){97)?J)?J)(?'R'(?'R'){99|(:(?|(?'R')(k'R')|((?'R')))H'R'R)(H'R))))))/ pattern and related patterns with named subgroups, which. A remote attacker can use a crafted regular expression to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References