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CVE
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CVE-2019-14907Date: (C)2020-01-22   (M)2023-12-22


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).

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.5CVSS Score : 2.6
Exploit Score: 2.8Exploit Score: 4.9
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: HIGH
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
FEDORA-2020-6bd386c7eb
FEDORA-2020-f92cd0e72b
GLSA-202003-52
USN-4244-1
https://lists.debian.org/debian-lts-announce/2021/05/msg00023.html
https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14907
https://security.netapp.com/advisory/ntap-20200122-0001/
https://www.samba.org/samba/security/CVE-2019-14907.html
https://www.synology.com/security/advisory/Synology_SA_20_01
openSUSE-SU-2020:0122

CPE    5
cpe:/o:debian:debian_linux:9.0
cpe:/a:samba:samba
cpe:/o:canonical:ubuntu_linux:18.04::~~lts~~~
cpe:/o:redhat:enterprise_linux:7.0
...
CWE    1
CWE-125
OVAL    25
oval:org.secpod.oval:def:89002971
oval:org.secpod.oval:def:89002996
oval:org.secpod.oval:def:60869
oval:org.secpod.oval:def:61775
...

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