SB2015120209 - Multiple vulnerabilities in PCRE

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Main Vulnerability Database SB2015120209

SB2015120209 - Multiple vulnerabilities in PCRE

Published: December 2, 2015 Updated: June 20, 2023

Security Bulletin ID SB2015120209
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 67% Medium 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2015-8386)

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

The vulnerability exists due to a boundary error when processing regular expressions. A remote attacker can trigger memory corruption using a JavaScript RegExp object and execute arbitrary code on the target system.


2) Use of uninitialized resource (CVE-ID: CVE-2015-8390)

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to usage of uninitialized resources when processing the [: and \ substrings in character classes. A remote attacker can pass specially crafted data to the application, trigger uninitialized usage of resources and bypass implemented security mechanisms.


3) Integer overflow (CVE-ID: CVE-2015-8394)

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

The vulnerability exists due to integer overflow when processing the (?() and (?(R) conditions. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.



Remediation

Install update from vendor's website.

References