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CVE-2018-1050

MEDIUMCVSS 4.3/10EPSS 6.69%

Last modified

CVE-2018-1050 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. All versions of Samba from 4.0.0 onwards are vulnerable to a denial of service attack when the RPC spoolss service is configured to be run as an external daemon. Missing input sanitization checks on some of the input parameters to spoolss RPC calls could cause the print spooler service to crash.. EPSS estimates a 6.69% chance of exploitation in the next 30 days.

Description

All versions of Samba from 4.0.0 onwards are vulnerable to a denial of service attack when the RPC spoolss service is configured to be run as an external daemon. Missing input sanitization checks on some of the input parameters to spoolss RPC calls could cause the print spooler service to crash.

Metrics

CVSS 3.1
4.3/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Probability
6.69%

93.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux17.10
SambaSamba>= 3.6.0, < 4.5.16
SambaSamba>= 4.6.0, < 4.6.14
SambaSamba>= 4.7.0, < 4.7.6
DebianDebian Linux7.0
DebianDebian Linux8.0
DebianDebian Linux9.0
RedhatEnterprise Linux Desktop6.0
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Server6.0
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Workstation6.0
RedhatEnterprise Linux Workstation7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-1050?
All versions of Samba from 4.0.0 onwards are vulnerable to a denial of service attack when the RPC spoolss service is configured to be run as an external daemon. Missing input sanitization checks on some of the input parameters to spoolss RPC calls could cause the print spooler service to crash.
How severe is CVE-2018-1050?
CVE-2018-1050 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 6.69% probability of exploitation in the next 30 days.
How do I fix CVE-2018-1050?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST