CVE-2021-3537
published 2021-05-14CVE-2021-3537: A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference…
PriorityP430medium5.9CVSS 3.1
AVNACHPRNUINSUCNINAH
EPSS
3.50%
87.9th percentile
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
Affected
28 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | libxml2 | < libxml2 2.9.10+dfsg-6.6 (bookworm) | libxml2 2.9.10+dfsg-6.6 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| msrc | cm1_libxml2_2.9.12-1_on_cbl_mariner_1.0 | — | — |
| nokogiri | nokogiri | >= 0 < 1.11.4 | 1.11.4 |
| oracle | communications_cloud_native_core_network_function_cloud_native_environment | — | — |
| oracle | enterprise_manager_base_platform | — | — |
| oracle | enterprise_manager_base_platform | — | — |
| oracle | enterprise_manager_ops_center | — | — |
| oracle | mysql_workbench | <= 8.0.26 | — |
| oracle | openjdk | — | — |
| oracle | peoplesoft_enterprise_peopletools | — | — |
| oracle | real_user_experience_insight | — | — |
| oracle | real_user_experience_insight | — | — |
| redhat | enterprise_linux | — | — |
| redhat | enterprise_linux | — | — |
| redhat | enterprise_linux | — | — |
| xmlsoft | libxml2 | < 2.9.11 | 2.9.11 |
| xmlsoft | libxml2 | — | — |
| xmlsoft | libxml2 | >= 0 < 2.9.10+dfsg-6.6 | 2.9.10+dfsg-6.6 |
| xmlsoft | libxml2 | >= 0 < 2.9.10+dfsg-6.6 | 2.9.10+dfsg-6.6 |
| xmlsoft | libxml2 | >= 0 < 2.9.10+dfsg-6.6 | 2.9.10+dfsg-6.6 |
| xmlsoft | libxml2 | >= 0 < 2.9.10+dfsg-6.6 | 2.9.10+dfsg-6.6 |
| xmlsoft | libxml2 | >= 0 < 2.9.4+dfsg1-6.1ubuntu1.4 | 2.9.4+dfsg1-6.1ubuntu1.4 |
CVSS provenance
nvdv3.15.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
ghsa7.5HIGH
osv9.1CRITICAL
vendor_ubuntu9.1CRITICAL
vendor_debian5.9MEDIUM
vendor_msrc5.9MEDIUM
vendor_oracle5.9MEDIUM
vendor_redhat5.9MEDIUM
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GHSA
Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
ghsa·2022-05-24
CVE-2021-3537 [MEDIUM] CWE-476 Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
OSV
Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
osv·2022-05-24
CVE-2021-3537 [MEDIUM] Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
OSV
libxml2 vulnerabilities
osv·2021-06-17·CVSS 9.1
CVE-2017-8872 [CRITICAL] libxml2 vulnerabilities
libxml2 vulnerabilities
Yunho Kim discovered that libxml2 incorrectly handled certain error
conditions. A remote attacker could exploit this with a crafted XML file to
cause a denial of service, or possibly cause libxml2 to expose sensitive
information. This issue only affected Ubuntu 14.04 ESM, and Ubuntu 16.04
ESM. (CVE-2017-8872)
Zhipeng Xie discovered that libxml2 incorrectly handled certain XML
schemas. A remote attacker could possibly use this issue to cause a denial
of service. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM,
and Ubuntu 18.04 LTS. (CVE-2019-20388)
It was discovered that libxml2 incorrectly handled invalid UTF-8 input. A
remote attacker could possibly exploit this with a crafted XML file to
cause libxml2 to crash, resulting in a denial of service. This
OSV
Nokogiri updates packaged dependency on libxml2 from 2.9.10 to 2.9.12
osv·2021-05-17·CVSS 7.5
CVE-2019-20388 [HIGH] Nokogiri updates packaged dependency on libxml2 from 2.9.10 to 2.9.12
Nokogiri updates packaged dependency on libxml2 from 2.9.10 to 2.9.12
### Summary
Nokogiri v1.11.4 updates the vendored libxml2 from v2.9.10 to v2.9.12 which addresses:
- [CVE-2019-20388](https://security.archlinux.org/CVE-2019-20388) (Medium severity)
- [CVE-2020-24977](https://security.archlinux.org/CVE-2020-24977) (Medium severity)
- [CVE-2021-3517](https://security.archlinux.org/CVE-2021-3517) (Medium severity)
- [CVE-2021-3518](https://security.archlinux.org/CVE-2021-3518) (Medium severity)
- [CVE-2021-3537](https://security.archlinux.org/CVE-2021-3537) (Low severity)
- [CVE-2021-3541](https://security.archlinux.org/CVE-2021-3541) (Low severity)
Note that two additional CVEs were addressed upstream but are not relevant to this release. [CVE-2021-3516](https://security.archlinux.or
GHSA
Nokogiri updates packaged dependency on libxml2 from 2.9.10 to 2.9.12
ghsa·2021-05-17·CVSS 7.5
CVE-2019-20388 [HIGH] Nokogiri updates packaged dependency on libxml2 from 2.9.10 to 2.9.12
Nokogiri updates packaged dependency on libxml2 from 2.9.10 to 2.9.12
### Summary
Nokogiri v1.11.4 updates the vendored libxml2 from v2.9.10 to v2.9.12 which addresses:
- [CVE-2019-20388](https://security.archlinux.org/CVE-2019-20388) (Medium severity)
- [CVE-2020-24977](https://security.archlinux.org/CVE-2020-24977) (Medium severity)
- [CVE-2021-3517](https://security.archlinux.org/CVE-2021-3517) (Medium severity)
- [CVE-2021-3518](https://security.archlinux.org/CVE-2021-3518) (Medium severity)
- [CVE-2021-3537](https://security.archlinux.org/CVE-2021-3537) (Low severity)
- [CVE-2021-3541](https://security.archlinux.org/CVE-2021-3541) (Low severity)
Note that two additional CVEs were addressed upstream but are not relevant to this release. [CVE-2021-3516](https://security.archlinux.or
OSV
CVE-2021-3537: A vulnerability found in libxml2 in versions before 2
osv·2021-05-14·CVSS 5.9
CVE-2021-3537 [MEDIUM] CVE-2021-3537: A vulnerability found in libxml2 in versions before 2
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
CISA ICS
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
cisa_ics·2023-12-14
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
ICS Advisory
##
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
Release DateDecember 14, 2023
Alert CodeICSA-23-348-10
As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens' ProductCERT Security Advisories (CERT Services | Services | Siemens Global).
View CSAF
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Siemens
- Equipment: SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
- Vulnerabilities: Improper Restriction of XML External Entity Reference, Time-of-check Time-of-use (TOCTOU) Race Condition, Command Injection, Miss
Oracle
Oracle Oracle Fusion Middleware Risk Matrix: SSL Module (libxml2) — CVE-2021-3537
vendor_oracle·2022-10-15·CVSS 5.9
CVE-2021-3537 [MEDIUM] Oracle Oracle Fusion Middleware Risk Matrix: SSL Module (libxml2) — CVE-2021-3537
Oracle Oracle Fusion Middleware Risk Matrix: SSL Module (libxml2) vulnerability
CVE: CVE-2021-3537
CVSS: 5.9
Protocol: HTTPS
Remote exploit: Yes
Affected versions: Network
Advisory: cpuoct2022 (OCT 2022)
CISA ICS
Hitachi Energy APM Edge (Update A)
cisa_ics·2021-12-02·CVSS 9.1
[CRITICAL] Hitachi Energy APM Edge (Update A)
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
Hitachi Energy APM Edge (Update A)
Last RevisedOctober 18, 2022
Alert CodeICSA-21-336-06
## 1. EXECUTIVE SUMMARY
- CVSS v3 8.2
- ATTENTION: Low attack complexity
- Vendor: Hitachi Energy
- Equipment: Transformer Asset Performance Management (APM) Edge
- Vulnerability: Reliance on Uncontrolled Component
## 2. UPDATE OR REPOSTED INFORMATION
This updated advisory is a follow-up to the original advisory titled “ICSA-21-336-06 Hitachi Energy APM Edge” that was published December 02, 2021, on the ICS webpage on cisa.gov/ics.
## 3. RISK EVALUATION
Successful exploitation of thi
Ubuntu
libxml2 vulnerabilities
vendor_ubuntu·2021-06-17·CVSS 9.1
CVE-2021-3516 [CRITICAL] libxml2 vulnerabilities
Title: libxml2 vulnerabilities
Summary: Several security issues were fixed in libxml2.
Yunho Kim discovered that libxml2 incorrectly handled certain error
conditions. A remote attacker could exploit this with a crafted XML file to
cause a denial of service, or possibly cause libxml2 to expose sensitive
information. This issue only affected Ubuntu 14.04 ESM, and Ubuntu 16.04
ESM. (CVE-2017-8872)
Zhipeng Xie discovered that libxml2 incorrectly handled certain XML
schemas. A remote attacker could possibly use this issue to cause a denial
of service. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM,
and Ubuntu 18.04 LTS. (CVE-2019-20388)
It was discovered that libxml2 incorrectly handled invalid UTF-8 input. A
remote attacker could possibly exploit this with a crafted XML file t
Microsoft
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content causing a NULL dereference. If an untrusted XML document was parsed in
vendor_msrc·2021-05-11·CVSS 5.9
CVE-2021-3537 [MEDIUM] CWE-476 A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content causing a NULL dereference. If an untrusted XML document was parsed in
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why w
Red Hat
libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode
vendor_redhat·2021-05-01·CVSS 5.9
CVE-2021-3537 [MEDIUM] CWE-476 libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode
libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
A NULL pointer dereference flaw was found in libxml2, where it did not propagate errors while parsing XML mixed content. This flaw causes the application to crash if an untrusted XML document is parsed in recovery mode and post validated. The highest threat from this vulnerability is to system availability.
Statement: For the flaw to be exploitabl
Debian
CVE-2021-3537: libxml2 - A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not...
vendor_debian·2021·CVSS 5.9
CVE-2021-3537 [MEDIUM] CVE-2021-3537: libxml2 - A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not...
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
Scope: local
bookworm: resolved (fixed in 2.9.10+dfsg-6.6)
bullseye: resolved (fixed in 2.9.10+dfsg-6.6)
forky: resolved (fixed in 2.9.10+dfsg-6.6)
sid: resolved (fixed in 2.9.10+dfsg-6.6)
trixie: resolved (fixed in 2.9.10+dfsg-6.6)
No detection rules found.
No public exploits indexed.
https://bugzilla.redhat.com/show_bug.cgi?id=1956522https://lists.debian.org/debian-lts-announce/2021/05/msg00008.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/https://security.gentoo.org/glsa/202107-05https://security.netapp.com/advisory/ntap-20210625-0002/https://www.oracle.com/security-alerts/cpuapr2022.htmlhttps://www.oracle.com/security-alerts/cpujul2022.htmlhttps://www.oracle.com/security-alerts/cpuoct2021.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1956522https://lists.debian.org/debian-lts-announce/2021/05/msg00008.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/https://security.gentoo.org/glsa/202107-05https://security.netapp.com/advisory/ntap-20210625-0002/https://www.oracle.com/security-alerts/cpuapr2022.htmlhttps://www.oracle.com/security-alerts/cpujul2022.htmlhttps://www.oracle.com/security-alerts/cpuoct2021.html
2021-05-14
Published