Vulnerability Details 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 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).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.059
EPSS Ranking 90.1%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 2.6
Products affected by CVE-2019-14907
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cpe:2.3:a:redhat:storage:3.0
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cpe:2.3:a:samba:samba:4.10.0
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cpe:2.3:a:samba:samba:4.10.1
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cpe:2.3:a:samba:samba:4.10.10
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cpe:2.3:a:samba:samba:4.10.11
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cpe:2.3:a:samba:samba:4.10.2
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cpe:2.3:a:samba:samba:4.10.3
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cpe:2.3:a:samba:samba:4.10.4
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cpe:2.3:a:samba:samba:4.10.5
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cpe:2.3:a:samba:samba:4.10.8
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cpe:2.3:a:samba:samba:4.10.9
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cpe:2.3:a:samba:samba:4.11.0
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cpe:2.3:a:samba:samba:4.11.1
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cpe:2.3:a:samba:samba:4.11.2
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cpe:2.3:a:samba:samba:4.11.3
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cpe:2.3:a:samba:samba:4.11.4
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cpe:2.3:a:samba:samba:4.9.0
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cpe:2.3:a:samba:samba:4.9.1
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cpe:2.3:a:samba:samba:4.9.10
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cpe:2.3:a:samba:samba:4.9.11
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cpe:2.3:a:samba:samba:4.9.12
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cpe:2.3:a:samba:samba:4.9.13
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cpe:2.3:a:samba:samba:4.9.14
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cpe:2.3:a:samba:samba:4.9.15
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cpe:2.3:a:samba:samba:4.9.17
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cpe:2.3:a:samba:samba:4.9.2
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cpe:2.3:a:samba:samba:4.9.3
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cpe:2.3:a:samba:samba:4.9.4
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cpe:2.3:a:samba:samba:4.9.5
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cpe:2.3:a:samba:samba:4.9.6
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cpe:2.3:a:samba:samba:4.9.7
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cpe:2.3:a:samba:samba:4.9.8
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cpe:2.3:a:samba:samba:4.9.9
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cpe:2.3:a:synology:directory_server:-
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cpe:2.3:a:synology:router_manager:1.2
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cpe:2.3:a:synology:skynas:-
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:18.04
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cpe:2.3:o:canonical:ubuntu_linux:19.04
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cpe:2.3:o:canonical:ubuntu_linux:19.10
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cpe:2.3:o:debian:debian_linux:9.0
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cpe:2.3:o:fedoraproject:fedora:30
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cpe:2.3:o:fedoraproject:fedora:31
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cpe:2.3:o:redhat:enterprise_linux:7.0
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cpe:2.3:o:redhat:enterprise_linux:8.0
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cpe:2.3:o:synology:diskstation_manager:6.2