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Vulnerability Details : CVE-2021-3517

There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.
Publish Date : 2021-05-19 Last Update Date : 2021-12-03
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 787

- 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-2021-3517

# 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 Active Iq Unified Manager - * * * Version Details Vulnerabilities
6 Application Netapp Clustered Data Ontap - * * * Version Details Vulnerabilities
7 Application Netapp Clustered Data Ontap Antivirus Connector - * * * Version Details Vulnerabilities
8 Application Netapp E-series Santricity Os Controller * * * * Version Details Vulnerabilities
9 Application Netapp E-series Santricity Storage Manager - * * * Version Details Vulnerabilities
10 Application Netapp E-series Santricity Web Services - * * * Version Details Vulnerabilities
11 Application Netapp Hci Management Node - * * * Version Details Vulnerabilities
12 Application Netapp Manageability Software Development Kit - * * * Version Details Vulnerabilities
13 Application Netapp Oncommand Insight - * * * Version Details Vulnerabilities
14 Application Netapp Oncommand Workflow Automation - * * * Version Details Vulnerabilities
15 Application Netapp Ontap Select Deploy Administration Utility - * * * Version Details Vulnerabilities
16 Application Netapp Santricity Unified Manager - * * * Version Details Vulnerabilities
17 Application Netapp Snapdrive - * * * Version Details Vulnerabilities
18 Application Netapp Snapmanager - * * * Version Details Vulnerabilities
19 Application Netapp Snapmanager - * * * Version Details Vulnerabilities
20 Application Netapp Solidfire - * * * Version Details Vulnerabilities
21 Application Oracle Mysql Workbench * * * * Version Details Vulnerabilities
22 Application Oracle Openjdk 8 Update301 * * Version Details Vulnerabilities
23 Application Oracle Real User Experience Insight 13.4.1.0 * * * Version Details Vulnerabilities
24 Application Oracle Real User Experience Insight 13.5.1.0 * * * Version Details Vulnerabilities
25 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities
26 Application Redhat Jboss Core Services - * * * Version Details Vulnerabilities
27 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 2
Netapp Clustered Data Ontap 1
Netapp Clustered Data Ontap Antivirus Connector 1
Netapp E-series Santricity Os Controller 1
Netapp E-series Santricity Storage Manager 1
Netapp E-series Santricity Web Services 1
Netapp Hci Management Node 1
Netapp Manageability Software Development Kit 1
Netapp Oncommand Insight 1
Netapp Oncommand Workflow Automation 1
Netapp Ontap Select Deploy Administration Utility 1
Netapp Santricity Unified Manager 1
Netapp Snapdrive 1
Netapp Snapmanager 2
Netapp Solidfire 1
Oracle Mysql Workbench 1
Oracle Openjdk 1
Oracle Real User Experience Insight 2
Redhat Enterprise Linux 1
Redhat Jboss Core Services 1
Xmlsoft Libxml2 1

- References For CVE-2021-3517

https://lists.apache.org/thread.html/[email protected]%3Cissues.bookkeeper.apache.org%3E
MLIST [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8
https://bugzilla.redhat.com/show_bug.cgi?id=1954232
https://www.oracle.com/security-alerts/cpuoct2021.html
https://lists.fedoraproject.org/archives/list/[email protected]/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
FEDORA FEDORA-2021-b950000d2b
https://security.netapp.com/advisory/ntap-20210625-0002/ CONFIRM
https://lists.apache.org/thread.html/[email protected]%3Cissues.bookkeeper.apache.org%3E
MLIST [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8
https://lists.fedoraproject.org/archives/list/[email protected]/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
FEDORA FEDORA-2021-e3ed1ba38b
https://security.netapp.com/advisory/ntap-20211022-0004/ CONFIRM
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

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

- Metasploit Modules Related To CVE-2021-3517

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


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