vulnerability
Samba CVE-2019-14907: Crash after failed character conversion at log level 3 or above
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:N/AC:H/Au:N/C:N/I:N/A:P) | 2020-01-21 | 2020-01-24 | 2020-07-13 |
Severity
3
CVSS
(AV:N/AC:H/Au:N/C:N/I:N/A:P)
Published
2020-01-21
Added
2020-01-24
Modified
2020-07-13
Description
All samba versions 4.9.x before 4.9.18, 4.10.x before 4.10.12 and 4.11.x before 4.11.5 have an issue where if it is set with "log level = 3" (or above) then the string obtained from the client, after a failed character conversion, is printed. Such strings can be provided during the NTLMSSP authentication exchange. In the Samba AD DC in particular, this may cause a long-lived process(such as the RPC server) to terminate. (In the file server case, the most likely target, smbd, operates as process-per-client and so a crash there is harmless).
Solution(s)
samba-upgrade-4_10_12samba-upgrade-4_11_5samba-upgrade-4_9_18
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