medium5.9
CVE-2021-3537
Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rubygems | nokogiri | < 1.11.4 | 1.11.4 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Xmlsoft | Libxml2 | before 2.9.11 |
| Redhat | Jboss Core Services | All versions |
| Redhat | Enterprise Linux | Versions 6.0, 7.0, 8.0 |
| Debian | Debian Linux | Version 9.0 |
| Fedoraproject | Fedora | Versions 33, 34 |
| Netapp | Active Iq Unified Manager | All versions |
| Netapp | Clustered Data Ontap | All versions |
| Netapp | Clustered Data Ontap Antivirus Connector | All versions |
| Netapp | Manageability Software Development Kit | All versions |
| Netapp | Ontap Select Deploy Administration Utility | All versions |
| Netapp | Snapdrive | All versions |
| Netapp | Hci H410c Firmware | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1956522
- https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
- https://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/202107-05
- https://security.netapp.com/advisory/ntap-20210625-0002/
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://github.com/advisories/GHSA-286v-pcf5-25rc
- https://nvd.nist.gov/vuln/detail/CVE-2021-3537
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
- https://github.com/sparklemotion/nokogiri/blob/2edbbef95f1dc12c1ddc5ebda71b9159026245fe/CHANGELOG.md?plain=1#L722
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2021-3537.yml
- https://nokogiri.org/CHANGELOG.html#1114-2021-05-14