Data Handling in PCRE - CVE-2015-2328

Vulnerability identifier: #VU87892

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2015-2328

CWE-ID: CWE-19

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to PCRE mishandles the /((?(R)a|(?1)))+/ pattern and related patterns with certain recursion. A remote attacker can cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression.

PCRE
IBM Operations Analytics Predictive Insights
IBM Security Guardium Key Lifecycle Manager (GKLM)
IBM Intelligent Operations Center
WebSphere Remote Server
IBM Security Verify Governance
IBM Tivoli Business Service Manager
IBM Cloud Application Performance Management (APM)
Red Hat Enterprise Linux Server from RHUI
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux Server - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Db2 Big SQL
IBM OpenPages with Watson
dashDB Local
Storage Protect Server
IBM Cloud Pak System
pcre (Red Hat package)
IBM DB2 LUW

Install updates from vendor's website.

PCRE - update to 8.36
Db2 Big SQL - update to 7.6.2
dashDB Local - update to 11.5.9.0
IBM Cloud Pak System - addressed in versions 2.3.4.1, 2.3.5.0
IBM Tivoli Business Service Manager - update to 6.2.0.5.4
IBM Cloud Application Performance Management (APM) - update to 8.1.4.0.15
Storage Protect Server - update to 8.1.22
pcre (Red Hat package) - update to 8.32-15.el7_2.1
IBM DB2 LUW - addressed in versions 10.5 FP11, 11.1.4 FP7, 11.5.0, 11.5.8

• http://rhn.redhat.com/errata/RHSA-2016-1025.html
• http://rhn.redhat.com/errata/RHSA-2016-2750.html
• http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
• http://www.fortiguard.com/advisory/FG-VD-15-014/
• http://www.openwall.com/lists/oss-security/2015/11/29/1
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
• http://www.securityfocus.com/bid/74924
• http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
• https://bugs.exim.org/show_bug.cgi?id=1515
• https://jira.mongodb.org/browse/SERVER-17252

• Multiple vulnerabilities in IBM Storage Protect Server
• Multiple vulnerabilities in IBM Application Performance Management
• Multiple vulnerabilities in IBM OpenPages with Watson
• Multiple vulnerabilities in IBM Tivoli Business Service Manager
• Multiple vulnerabilities in IBM Operations Analytics Predictive Insights
• Multiple vulnerabilities in IBM Db2
• Multiple vulnerabilities in IBM Security Guardium Key Lifecycle Manager
• Multiple vulnerabilities in IBM WebSphere Remote Server
• Multiple vulnerabilities in IBM Intelligent Operations Center (IOC)
• Multiple vulnerabilities in IBM Security Verify Governance
• Multiple vulnerabilities in IBM Cloud Pak System
• Multiple vulnerabilities in IBM dashDB Local
• Red Hat Enterprise Linux 7 update for pcre
• Multiple vulnerabilities in IBM Big SQL on IBM Cloud Pak for Data