CVE-2021-23192
Last modified
CVE-2021-23192 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.91% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 4.10.0, < 4.13.14 |
| Samba | Samba | >= 4.14.0, < 4.14.10 |
| Samba | Samba | >= 4.15.0, < 4.15.2 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2019666Issue Tracking, Third Party Advisory
- https://ubuntu.com/security/CVE-2021-23192Third Party Advisory
- https://www.samba.org/samba/security/CVE-2021-23192.htmlPatch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2019666Issue Tracking, Third Party Advisory
- https://ubuntu.com/security/CVE-2021-23192Third Party Advisory
- https://www.samba.org/samba/security/CVE-2021-23192.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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