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medium6.5

CVE-2019-14907

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 th…

Impact

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).

Affected products

VendorProductAffected versions
SambaSamba
from 4.9.0 before 4.9.18
from 4.10.0 before 4.10.12
from 4.11.0 before 4.11.5
FedoraprojectFedora
Versions 30, 31
RedhatStorage
Version 3.0
RedhatEnterprise Linux
Versions 7.0, 8.0
CanonicalUbuntu Linux
Versions 16.04, 18.04, 19.04, 19.10
SynologyDirectory Server
All versions
SynologyRouter Manager
Version 1.2
SynologySkynas
All versions
SynologyDiskstation Manager
Version 6.2
DebianDebian Linux
Version 9.0

Weakness classification

CWE-125

References