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Vulnerability Details : CVE-2021-3516

There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.
Publish Date : 2021-06-01 Last Update Date : 2021-09-14
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
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 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 416

- 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-2021-3516

# 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 Clustered Data Ontap - * * * Version Details Vulnerabilities
5 Application Netapp Clustered Data Ontap Antivirus Connector - * * * Version Details Vulnerabilities
6 Application Netapp Ontap Select Deploy Administration Utility - * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux 6.0 * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux 7.0 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities
10 Application Redhat Jboss Core Services - * * * Version Details Vulnerabilities
11 Application Xmlsoft Xmllint * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Fedoraproject Fedora 2
Netapp Clustered Data Ontap 1
Netapp Clustered Data Ontap Antivirus Connector 1
Netapp Ontap Select Deploy Administration Utility 1
Redhat Enterprise Linux 3
Redhat Jboss Core Services 1
Xmlsoft Xmllint 1

- References For CVE-2021-3516

https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539
https://security.gentoo.org/glsa/202107-05
GENTOO GLSA-202107-05
https://lists.fedoraproject.org/archives/list/[email protected]/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
FEDORA FEDORA-2021-b950000d2b
https://security.netapp.com/advisory/ntap-20210716-0005/ CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1954225
https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
MLIST [debian-lts-announce] 20210510 [SECURITY] [DLA 2653-1] libxml2 security update
https://lists.fedoraproject.org/archives/list/[email protected]/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
FEDORA FEDORA-2021-e3ed1ba38b
https://gitlab.gnome.org/GNOME/libxml2/-/issues/230

- Metasploit Modules Related To CVE-2021-3516

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


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