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IBM3BE79102A2F18E30974A76F6EEA76AB92CA1A8F7FCB7D3215942A025A80C18BA
HistorySep 15, 2021 - 10:14 p.m.

Security Bulletin: libXml2 used by IBM InfoSphere Identity Insight has a potential vulnerability (CVE-2021-3518)

2021-09-1522:14:25
www.ibm.com
18

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.003 Low

EPSS

Percentile

67.2%

Summary

The libXml2 library used by Identity Insight has a potential use-after-free vulnerability that could be exploited by an attacker using a crafted input file.

Vulnerability Details

CVEID:CVE-2021-3518
**DESCRIPTION:**GNOME libxml2 could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free flaw in the xmlXIncludeDoProcess() function in xinclude.c. By sending a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203144 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
IBM InfoSphere Identity Insight 9.0
IBM InfoSphere Identity Insight 9.1
IBM InfoSphere Identity Insight 10.0

Remediation/Fixes

This can be resolved by updating the libXml2 library in Identity Insight to version 2.9.11. Please open a support case for Identity Insight support for the replacement library file, at <https://www.ibm.com/mysupport&gt;.

Workarounds and Mitigations

None

Use Vulners API to create your own security tool

API usage cases
  • Network scanning
  • Linux Patch management
  • Threat protection
  • No network audit solution

Ways of integration

Integrate Vulners API

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.003 Low

EPSS

Percentile

67.2%

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