SB2015070721 - Stack-based buffer overflow in pcre (Alpine package)



SB2015070721 - Stack-based buffer overflow in pcre (Alpine package)

Published: July 7, 2015

Security Bulletin ID SB2015070721
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Stack-based buffer overflow (CVE-ID: CVE-2015-3217)

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

The vulnerability exists due to a boundary error when processing a crafted regular expression, as demonstrated by /^(?:(?(1)\.|([^\\W_])?)+)+$/. A remote unauthenticated attacker can trigger stack-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.