Vulnerability Description
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
CVSS Score
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libexpat Project | Libexpat | < 2.4.3 |
| Netapp | Active Iq Unified Manager | - |
| Netapp | Clustered Data Ontap | - |
| Netapp | Hci Baseboard Management Controller | h610c |
| Netapp | Oncommand Workflow Automation | - |
| Netapp | Solidfire \& Hci Management Node | - |
| Tenable | Nessus | < 8.15.3 |
| Siemens | Sinema Remote Connect Server | < 3.1 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2022/01/17/3Mailing ListPatchThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfPatchThird Party Advisory
- https://github.com/libexpat/libexpat/issues/532ExploitIssue TrackingPatch
- https://github.com/libexpat/libexpat/pull/538PatchThird Party Advisory
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220121-0006/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5073Third Party Advisory
- https://www.tenable.com/security/tns-2022-05Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/01/17/3Mailing ListPatchThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfPatchThird Party Advisory
- https://github.com/libexpat/libexpat/issues/532ExploitIssue TrackingPatch
- https://github.com/libexpat/libexpat/pull/538PatchThird Party Advisory
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220121-0006/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5073Third Party Advisory
FAQ
What is CVE-2021-46143?
CVE-2021-46143 is a vulnerability with a CVSS score of 8.1 (HIGH). In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
How severe is CVE-2021-46143?
CVE-2021-46143 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-46143?
Check the references section above for vendor advisories and patch information. Affected products include: Libexpat Project Libexpat, Netapp Active Iq Unified Manager, Netapp Clustered Data Ontap, Netapp Hci Baseboard Management Controller, Netapp Oncommand Workflow Automation.