// For flags

CVE-2021-3517

libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c

Severity Score

8.6
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se presenta un fallo en la funcionalidad xml entity encoding de libxml2 en versiones anteriores a 2.9.11. Un atacante que sea capaz de proporcionar un archivo diseñado para que sea procesado por una aplicación vinculada con la funcionalidad afectada de libxml2 podría desencadenar una lectura fuera de los límites. El impacto más probable de este fallo es la disponibilidad de la aplicación, con algún impacto potencial en la confidencialidad e integridad si un atacante puede usar la información de la memoria para explotar aún más la aplicación

There is a flaw in the xml entity encoding functionality of libxml2. 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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-27 CVE Reserved
  • 2021-05-19 CVE Published
  • 2024-06-21 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Netapp
Search vendor "Netapp"
Hci H410c Firmware
Search vendor "Netapp" for product "Hci H410c Firmware"
--
Affected
in Netapp
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Hci H410c
Search vendor "Netapp" for product "Hci H410c"
--
Safe
Xmlsoft
Search vendor "Xmlsoft"
Libxml2
Search vendor "Xmlsoft" for product "Libxml2"
< 2.9.11
Search vendor "Xmlsoft" for product "Libxml2" and version " < 2.9.11"
-
Affected
Redhat
Search vendor "Redhat"
Jboss Core Services
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--
Affected
Redhat
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Enterprise Linux
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8.0
Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"
-
Affected
Fedoraproject
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Fedora
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33
Search vendor "Fedoraproject" for product "Fedora" and version "33"
-
Affected
Fedoraproject
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Fedora
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34
Search vendor "Fedoraproject" for product "Fedora" and version "34"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected
Netapp
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Active Iq Unified Manager
Search vendor "Netapp" for product "Active Iq Unified Manager"
-vmware_vsphere
Affected
Netapp
Search vendor "Netapp"
Active Iq Unified Manager
Search vendor "Netapp" for product "Active Iq Unified Manager"
-windows
Affected
Netapp
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Clustered Data Ontap
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--
Affected
Netapp
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Clustered Data Ontap Antivirus Connector
Search vendor "Netapp" for product "Clustered Data Ontap Antivirus Connector"
--
Affected
Netapp
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E-series Santricity Os Controller
Search vendor "Netapp" for product "E-series Santricity Os Controller"
>= 11.0.0 <= 11.70.1
Search vendor "Netapp" for product "E-series Santricity Os Controller" and version " >= 11.0.0 <= 11.70.1"
-
Affected
Netapp
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E-series Santricity Storage Manager
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--
Affected
Netapp
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E-series Santricity Web Services
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-web_services_proxy
Affected
Netapp
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Hci Management Node
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--
Affected
Netapp
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Manageability Software Development Kit
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--
Affected
Netapp
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Oncommand Insight
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--
Affected
Netapp
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Oncommand Workflow Automation
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--
Affected
Netapp
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Ontap Select Deploy Administration Utility
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--
Affected
Netapp
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Santricity Unified Manager
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--
Affected
Netapp
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Snapdrive
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-windows
Affected
Netapp
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Snapmanager
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-oracle
Affected
Netapp
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Snapmanager
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-sap
Affected
Netapp
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Solidfire
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--
Affected
Oracle
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Communications Cloud Native Core Network Function Cloud Native Environment
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1.10.0
Search vendor "Oracle" for product "Communications Cloud Native Core Network Function Cloud Native Environment" and version "1.10.0"
-
Affected
Oracle
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Enterprise Manager Base Platform
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13.4.0.0
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-
Affected
Oracle
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Enterprise Manager Base Platform
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13.5.0.0
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-
Affected
Oracle
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Mysql Workbench
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<= 8.0.26
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-
Affected
Oracle
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Openjdk
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8
Search vendor "Oracle" for product "Openjdk" and version "8"
update301
Affected
Oracle
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Peoplesoft Enterprise Peopletools
Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools"
8.58
Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" and version "8.58"
-
Affected
Oracle
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Real User Experience Insight
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13.4.1.0
Search vendor "Oracle" for product "Real User Experience Insight" and version "13.4.1.0"
-
Affected
Oracle
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Real User Experience Insight
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13.5.1.0
Search vendor "Oracle" for product "Real User Experience Insight" and version "13.5.1.0"
-
Affected
Oracle
Search vendor "Oracle"
Zfs Storage Appliance Kit
Search vendor "Oracle" for product "Zfs Storage Appliance Kit"
8.8
Search vendor "Oracle" for product "Zfs Storage Appliance Kit" and version "8.8"
-
Affected