CVE-2021-3518

Published on: 05/18/2021 12:00:00 AM UTC

Last Modified on: 10/05/2022 02:25:00 AM UTC

CVE-2021-3518

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Certain versions of Debian Linux from Debian contain the following vulnerability:

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.

  • CVE-2021-3518 has been assigned by URL Logo seca[email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 8.8 - HIGH

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 6.8 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags ⓘ Link
Full Disclosure: APPLE-SA-2021-07-21-6 tvOS 14.7 seclists.org
text/html
 URL Logo FULLDISC 20210723 APPLE-SA-2021-07-21-6 tvOS 14.7
About the security content of tvOS 14.7 - Apple Support support.apple.com
text/html
 URL Logo CONFIRM support.apple.com/kb/HT212604
About the security content of macOS Big Sur 11.5 - Apple Support support.apple.com
text/html
 URL Logo CONFIRM support.apple.com/kb/HT212602
About the security content of watchOS 7.6 - Apple Support support.apple.com
text/html
 URL Logo CONFIRM support.apple.com/kb/HT212605
Oracle Critical Patch Update Advisory - April 2022 www.oracle.com
text/html
 URL Logo MISC www.oracle.com/security-alerts/cpuapr2022.html
Pony Mail! lists.apache.org
text/html
 URL Logo MLIST [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8
[SECURITY] Fedora 34 Update: libxml2-2.9.10-12.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
 URL Logo FEDORA FEDORA-2021-e3ed1ba38b
Full Disclosure: APPLE-SA-2021-07-21-5 watchOS 7.6 seclists.org
text/html
 URL Logo FULLDISC 20210723 APPLE-SA-2021-07-21-5 watchOS 7.6
About the security content of iOS 14.7 and iPadOS 14.7 - Apple Support support.apple.com
text/html
 URL Logo CONFIRM support.apple.com/kb/HT212601
Oracle Critical Patch Update Advisory - October 2021 www.oracle.com
text/html
 URL Logo MISC www.oracle.com/security-alerts/cpuoct2021.html
libxml2: Multiple vulnerabilities (GLSA 202107-05) — Gentoo security security.gentoo.org
text/html
 URL Logo GENTOO GLSA-202107-05
Full Disclosure: APPLE-SA-2021-07-21-2 macOS Big Sur 11.5 seclists.org
text/html
 URL Logo FULLDISC 20210723 APPLE-SA-2021-07-21-2 macOS Big Sur 11.5
[SECURITY] [DLA 2653-1] libxml2 security update lists.debian.org
text/html
 URL Logo MLIST [debian-lts-announce] 20210510 [SECURITY] [DLA 2653-1] libxml2 security update
Pony Mail! lists.apache.org
text/html
 URL Logo MLIST [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8
1954242 – (CVE-2021-3518) CVE-2021-3518 libxml2: use-after-free in xmlXIncludeDoProcess() in xinclude.c bugzilla.redhat.com
text/html
 URL Logo MISC bugzilla.redhat.com/show_bug.cgi?id=1954242
[SECURITY] Fedora 33 Update: libxml2-2.9.12-4.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
 URL Logo FEDORA FEDORA-2021-b950000d2b
May 2021 Libxml2 Vulnerabilities in NetApp Products | NetApp Product Security security.netapp.com
text/html
 URL Logo CONFIRM security.netapp.com/advisory/ntap-20210625-0002/
Full Disclosure: APPLE-SA-2021-07-21-1 iOS 14.7 and iPadOS 14.7 seclists.org
text/html
 URL Logo FULLDISC 20210723 APPLE-SA-2021-07-21-1 iOS 14.7 and iPadOS 14.7
Oracle Critical Patch Update Advisory - July 2022 www.oracle.com
text/html
 URL Logo MISC www.oracle.com/security-alerts/cpujul2022.html
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Related QID Numbers

  • 159285 Oracle Enterprise Linux Security Update for libxml2 (ELSA-2021-2569)
  • 174990 SUSE Enterprise Linux Security Update for libxml2 (SUSE-SU-2021:1523-1)
  • 174991 SUSE Enterprise Linux Security Update for libxml2 (SUSE-SU-2021:1524-1)
  • 178586 Debian Security Update for libxml2 (DLA 2653-1)
  • 180182 Debian Security Update for libxml2 (CVE-2021-3518)
  • 198409 Ubuntu Security Notification for libxml2 vulnerabilities (USN-4991-1)
  • 239468 Red Hat Update for libxml2 (RHSA-2021:2569)
  • 240235 Red Hat Update for JBoss Core Services (RHSA-2022:1389)
  • 281180 Fedora Security Update for libxml2 (FEDORA-2021-e3ed1ba38b)
  • 281707 Fedora Security Update for libxml2 (FEDORA-2021-b950000d2b)
  • 296065 Oracle Solaris 11.4 Support Repository Update (SRU) 39.107.1 Missing (CPUOCT2021)
  • 352459 Amazon Linux Security Advisory for libxml2: ALAS2-2021-1677
  • 354638 Amazon Linux Security Advisory for libxml2 : AL2012-2022-370
  • 354929 Amazon Linux Security Advisory for libxml2 : ALAS-2023-1743
  • 375746 Apple MacOS Big Sur 11.5 Not Installed (HT212602)
  • 376204 Mysql Workbench Critical Patch Update Oct 2021
  • 376952 NetApp Clustered Data Open Network Technology for Appliance Products (ONTAP) Disclosure of Sensitive Information Vulnerability (NTAP-20210625-0002,NTAP-20210716-0005)
  • 377408 Alibaba Cloud Linux Security Update for libxml2 (ALINUX3-SA-2021:0047)
  • 378004 Splunk Enterprise Multiple Vulnerabilities (SVD-2023-0215,SVD-2023-0211,SVD-2023-0208)
  • 500342 Alpine Linux Security Update for libxml2
  • 501423 Alpine Linux Security Update for libxml2
  • 501748 Alpine Linux Security Update for libxml2
  • 501968 Alpine Linux Security Update for libxml2
  • 502486 Alpine Linux Security Update for libxml2
  • 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
  • 610349 Apple iOS 14.7 and iPadOS 14.7 Security Update Missing
  • 670491 EulerOS Security Update for libxml2 (EulerOS-SA-2021-2249)
  • 670517 EulerOS Security Update for libxml2 (EulerOS-SA-2021-2275)
  • 670548 EulerOS Security Update for libxml2 (EulerOS-SA-2021-2306)
  • 670581 EulerOS Security Update for libxml2 (EulerOS-SA-2021-2339)
  • 670648 EulerOS Security Update for libxml2 (EulerOS-SA-2021-2406)
  • 670851 EulerOS Security Update for libxml2 (EulerOS-SA-2021-2406)
  • 670996 EulerOS Security Update for libxml2 (EulerOS-SA-2021-2595)
  • 710071 Gentoo Linux libxml2 Multiple vulnerabilities (GLSA 202107-05)
  • 750025 SUSE Enterprise Linux Security Update for libxml2 (SUSE-SU-2021:1654-1)
  • 750027 SUSE Enterprise Linux Security Update for libxml2 (SUSE-SU-2021:1658-1)
  • 750201 OpenSUSE Security Update for libxml2 (openSUSE-SU-2021:0764-1)
  • 750222 OpenSUSE Security Update for libxml2 (openSUSE-SU-2021:0692-1)
  • 900044 CBL-Mariner Linux Security Update for libxml2 2.9.10
  • 902878 Common Base Linux Mariner (CBL-Mariner) Security Update for libxml2 (4236)
  • 940375 AlmaLinux Security Update for libxml2 (ALSA-2021:2569)
  • 960016 Rocky Linux Security Update for libxml2 (RLSA-2021:2569)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		DebianDebian Linux9.0AllAllAll
Operating
System		FedoraprojectFedora33AllAllAll
Operating
System		FedoraprojectFedora34AllAllAll
ApplicationNetappActive Iq Unified Manager-AllAllAll
ApplicationNetappClustered Data Ontap-AllAllAll
ApplicationNetappClustered Data Ontap Antivirus Connector-AllAllAll
Hardware Device InfoNetappHci H410c-AllAllAll
Operating
System		NetappHci H410c Firmware-AllAllAll
ApplicationNetappManageability Software Development Kit-AllAllAll
ApplicationNetappOntap Select Deploy Administration Utility-AllAllAll
ApplicationNetappSnapdrive-AllAllAll
ApplicationOracleCommunications Cloud Native Core Network Function Cloud Native Environment1.10.0AllAllAll
ApplicationOracleEnterprise Manager Base Platform13.4.0.0AllAllAll
ApplicationOracleEnterprise Manager Base Platform13.5.0.0AllAllAll
ApplicationOracleEnterprise Manager Ops Center12.4.0.0AllAllAll
ApplicationOracleMysql WorkbenchAllAllAllAll
ApplicationOraclePeoplesoft Enterprise Peopletools8.58AllAllAll
ApplicationOracleReal User Experience Insight13.4.1.0AllAllAll
ApplicationOracleReal User Experience Insight13.5.1.0AllAllAll
Operating
System		RedhatEnterprise Linux8.0AllAllAll
ApplicationRedhatJboss Core Services-AllAllAll
ApplicationXmlsoftLibxml2AllAllAllAll
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*:
  • cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:clustered_data_ontap_antivirus_connector:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:hci_h410c:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:hci_h410c_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:manageability_software_development_kit:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:snapdrive:-:*:*:*:*:windows:*:*:
  • cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:enterprise_manager_base_platform:13.5.0.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:real_user_experience_insight:13.4.1.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:real_user_experience_insight:13.5.1.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:redhat:jboss_core_services:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-3518 : There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted fi… twitter.com/i/web/status/1… 2021-05-18 12:07:12
Reddit Logo Icon /r/netcve CVE-2021-3518 2021-05-18 12:41:43
Reddit Logo Icon /r/k12cybersecurity MS-ISAC ADVISORY NUMBER: 2021-095 2021-07-22 13:18:09
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