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HistoryApr 14, 2023 - 2:32 p.m.

Security Bulletin: Vulnerability in libxml2 affects IBM Virtual Fabric 10Gb Switch Module for IBM BladeCenter (CVE-2017-8872)

2023-04-1414:32:25
www.ibm.com
12

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

0.002 Low

EPSS

Percentile

55.9%

Summary

IBM Virtual Fabric 10Gb Switch Module for IBM BladeCenter has addressed the following vulnerability in libxml2.

Vulnerability Details

Summary

IBM Virtual Fabric 10Gb Switch Module for IBM BladeCenter has addressed the following vulnerability in libxml2.

Vulnerability Details

CVEID: CVE-2017-8872

Description: libxml2 is vulnerable to a buffer overflow, caused by a a buffer-over-read flaw in the htmlParseTryOrFinish function in HTMLparser.c. By sending a specially-crafted request, a local attacker could overflow a buffer and cause a denial of service condition or obtain sensitive information on the system.

CVSS Base Score: 5.9
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/125890&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected products and versions

Product Affected Version
IBM Virtual Fabric 10Gb Switch Module 7.8

Remediation/Fixes

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

Product Fixed Version
IBM Virtual Fabric 10Gb Switch Module
(ibm_fw_bcsw_24-10g-7.8.14.0) 7.8.14.0

Workarounds and Mitigations

None.

References

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

Acknowledgement

None.

Change History
20 November, 2017: Original Version 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 โ€œindustry open standard designed to convey vulnerability severity and help to determine urgency and priority of response.โ€ IBM PROVIDES THE CVSS SCORES โ€œAS ISโ€ 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.

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

0.002 Low

EPSS

Percentile

55.9%