CVE-2019-14907 is a medium-severity vulnerability affecting Samba versions 4.9.x, 4.10.x, and 4.11.x, as well as various Linux distributions and Synology products. When Samba's log level is set to 3 or higher, a malformed string during NTLMSSP authentication can cause a long-lived process, such as the Samba AD DC RPC server, to crash. This unauthenticated denial-of-service vulnerability has a CVSS score of 6.5, indicating a network-based attack with low complexity and high impact on availability. There is no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.9.0, < 4.9.18CPE matchmatch criteria | cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* | ||
>= 4.10.0, < 4.10.12CPE matchmatch criteria | cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* | ||
>= 4.11.0, < 4.11.5CPE matchmatch criteria | cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* | ||
30CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | ||
31CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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