Security Bulletin: Vulnerabilities in PHP affect IBM Chassis Management Module (CVE-2017-9227, CVE-2017-9226, CVE-2017-9224)

Summary

IBM Chassis Management Module has addressed the following vulnerabilities in PHP.

Vulnerability Details

Summary

IBM Chassis Management Module has addressed the following vulnerabilities in PHP.

Vulnerability Details:

CVEID: CVE-2017-9227

Description: Oniguruma is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by mbc_enc_len(). By using a specially-crafted regular expression, a remote attacker could overflow a buffer and execute arbitrary code or cause the application to crash.

CVSS Base Score: 7.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/127148&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2017-9226

Description: Oniguruma is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by next_state_val(). By using a specially-crafted regular expression, a remote attacker could overflow a buffer and execute arbitrary code or cause the application to crash.

CVSS Base Score: 7.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/127147&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2017-9224

Description: Oniguruma is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by match_at(). A remote attacker could overflow a buffer and execute arbitrary code or cause the application to crash.

CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/127145 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Remediation/Fixes:

Firmware fix versions are available on Fix Central:
<http://www.ibm.com/support/fixcentral/&gt;.

Workaround(s) & Mitigation(s):

None

References:

• Complete CVSS v3 Guide
• On-line Calculator v3

Related Information:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Lenovo Product Security Advisories

Acknowledgement

None

Change History
13 November 2017: Original Copy Published

• The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an “industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response.” IBM PROVIDES THE CVSS SCORES “AS IS” WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.