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Vulnerability Details : CVE-2021-3537

A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
Publish Date : 2021-05-14 Last Update Date : 2021-10-20
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 476

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:2569: libxml2 security update (Moderate) oval:com.redhat.rhsa:def:20212569 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-3537

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
4 Application Netapp Active Iq Unified Manager - * * * Version Details Vulnerabilities
5 Application Netapp Clustered Data Ontap - * * * Version Details Vulnerabilities
6 Application Netapp Clustered Data Ontap Antivirus Connector - * * * Version Details Vulnerabilities
7 Application Netapp Manageability Software Development Kit - * * * Version Details Vulnerabilities
8 Application Netapp Ontap Select Deploy Administration Utility - * * * Version Details Vulnerabilities
9 Application Netapp Snapdrive - * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux 6.0 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux 7.0 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities
13 Application Redhat Jboss Core Services - * * * Version Details Vulnerabilities
14 Application Xmlsoft Libxml2 * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Fedoraproject Fedora 2
Netapp Active Iq Unified Manager 1
Netapp Clustered Data Ontap 1
Netapp Clustered Data Ontap Antivirus Connector 1
Netapp Manageability Software Development Kit 1
Netapp Ontap Select Deploy Administration Utility 1
Netapp Snapdrive 1
Redhat Enterprise Linux 3
Redhat Jboss Core Services 1
Xmlsoft Libxml2 1

- References For CVE-2021-3537

https://www.oracle.com/security-alerts/cpuoct2021.html
https://lists.fedoraproject.org/archives/list/[email protected]/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
FEDORA FEDORA-2021-e3ed1ba38b
https://security.gentoo.org/glsa/202107-05
GENTOO GLSA-202107-05
https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
MLIST [debian-lts-announce] 20210510 [SECURITY] [DLA 2653-1] libxml2 security update
https://security.netapp.com/advisory/ntap-20210625-0002/ CONFIRM
https://lists.fedoraproject.org/archives/list/[email protected]/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
FEDORA FEDORA-2021-b950000d2b
https://bugzilla.redhat.com/show_bug.cgi?id=1956522

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0

- Metasploit Modules Related To CVE-2021-3537

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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