Vulnerability Description
A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 4.10.0, < 4.13.14 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2019666Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/202309-06
- https://ubuntu.com/security/CVE-2021-23192Third Party Advisory
- https://www.samba.org/samba/security/CVE-2021-23192.htmlPatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2019666Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/202309-06
- https://ubuntu.com/security/CVE-2021-23192Third Party Advisory
- https://www.samba.org/samba/security/CVE-2021-23192.htmlPatchVendor Advisory
FAQ
What is CVE-2021-23192?
CVE-2021-23192 is a vulnerability with a CVSS score of 7.5 (HIGH). A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their o...
How severe is CVE-2021-23192?
CVE-2021-23192 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-23192?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Samba.