CVE-2021-3517
libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
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.
CVSS Scores
SSVC
- Decision:-
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
References (14)
URL | Date | SRC |
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URL | Date | SRC |
---|---|---|
https://bugzilla.redhat.com/show_bug.cgi?id=1954232 | 2022-04-20 | |
https://www.oracle.com/security-alerts/cpuapr2022.html | 2023-11-07 | |
https://www.oracle.com/security-alerts/cpujan2022.html | 2023-11-07 | |
https://www.oracle.com/security-alerts/cpuoct2021.html | 2023-11-07 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
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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 Search vendor "Netapp" | Hci H410c Search vendor "Netapp" for product "Hci H410c" | - | - |
Safe
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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
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Redhat Search vendor "Redhat" | Jboss Core Services Search vendor "Redhat" for product "Jboss Core Services" | - | - |
Affected
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Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Affected
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Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 33 Search vendor "Fedoraproject" for product "Fedora" and version "33" | - |
Affected
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Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 34 Search vendor "Fedoraproject" for product "Fedora" and version "34" | - |
Affected
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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
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Netapp Search vendor "Netapp" | Active Iq Unified Manager Search vendor "Netapp" for product "Active Iq Unified Manager" | - | vmware_vsphere |
Affected
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Netapp Search vendor "Netapp" | Active Iq Unified Manager Search vendor "Netapp" for product "Active Iq Unified Manager" | - | windows |
Affected
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Netapp Search vendor "Netapp" | Clustered Data Ontap Search vendor "Netapp" for product "Clustered Data Ontap" | - | - |
Affected
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Netapp Search vendor "Netapp" | Clustered Data Ontap Antivirus Connector Search vendor "Netapp" for product "Clustered Data Ontap Antivirus Connector" | - | - |
Affected
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Netapp Search vendor "Netapp" | 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
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Netapp Search vendor "Netapp" | E-series Santricity Storage Manager Search vendor "Netapp" for product "E-series Santricity Storage Manager" | - | - |
Affected
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Netapp Search vendor "Netapp" | E-series Santricity Web Services Search vendor "Netapp" for product "E-series Santricity Web Services" | - | web_services_proxy |
Affected
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Netapp Search vendor "Netapp" | Hci Management Node Search vendor "Netapp" for product "Hci Management Node" | - | - |
Affected
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Netapp Search vendor "Netapp" | Manageability Software Development Kit Search vendor "Netapp" for product "Manageability Software Development Kit" | - | - |
Affected
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Netapp Search vendor "Netapp" | Oncommand Insight Search vendor "Netapp" for product "Oncommand Insight" | - | - |
Affected
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Netapp Search vendor "Netapp" | Oncommand Workflow Automation Search vendor "Netapp" for product "Oncommand Workflow Automation" | - | - |
Affected
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Netapp Search vendor "Netapp" | Ontap Select Deploy Administration Utility Search vendor "Netapp" for product "Ontap Select Deploy Administration Utility" | - | - |
Affected
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Netapp Search vendor "Netapp" | Santricity Unified Manager Search vendor "Netapp" for product "Santricity Unified Manager" | - | - |
Affected
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Netapp Search vendor "Netapp" | Snapdrive Search vendor "Netapp" for product "Snapdrive" | - | windows |
Affected
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Netapp Search vendor "Netapp" | Snapmanager Search vendor "Netapp" for product "Snapmanager" | - | oracle |
Affected
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Netapp Search vendor "Netapp" | Snapmanager Search vendor "Netapp" for product "Snapmanager" | - | sap |
Affected
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Netapp Search vendor "Netapp" | Solidfire Search vendor "Netapp" for product "Solidfire" | - | - |
Affected
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Oracle Search vendor "Oracle" | Communications Cloud Native Core Network Function Cloud Native Environment Search vendor "Oracle" for product "Communications Cloud Native Core Network Function Cloud Native Environment" | 1.10.0 Search vendor "Oracle" for product "Communications Cloud Native Core Network Function Cloud Native Environment" and version "1.10.0" | - |
Affected
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Oracle Search vendor "Oracle" | Enterprise Manager Base Platform Search vendor "Oracle" for product "Enterprise Manager Base Platform" | 13.4.0.0 Search vendor "Oracle" for product "Enterprise Manager Base Platform" and version "13.4.0.0" | - |
Affected
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Oracle Search vendor "Oracle" | Enterprise Manager Base Platform Search vendor "Oracle" for product "Enterprise Manager Base Platform" | 13.5.0.0 Search vendor "Oracle" for product "Enterprise Manager Base Platform" and version "13.5.0.0" | - |
Affected
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Oracle Search vendor "Oracle" | Mysql Workbench Search vendor "Oracle" for product "Mysql Workbench" | <= 8.0.26 Search vendor "Oracle" for product "Mysql Workbench" and version " <= 8.0.26" | - |
Affected
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Oracle Search vendor "Oracle" | Openjdk Search vendor "Oracle" for product "Openjdk" | 8 Search vendor "Oracle" for product "Openjdk" and version "8" | update301 |
Affected
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Oracle Search vendor "Oracle" | 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
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Oracle Search vendor "Oracle" | Real User Experience Insight Search vendor "Oracle" for product "Real User Experience Insight" | 13.4.1.0 Search vendor "Oracle" for product "Real User Experience Insight" and version "13.4.1.0" | - |
Affected
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Oracle Search vendor "Oracle" | Real User Experience Insight Search vendor "Oracle" for product "Real User Experience Insight" | 13.5.1.0 Search vendor "Oracle" for product "Real User Experience Insight" and version "13.5.1.0" | - |
Affected
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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
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