CVE-2019-3880

MEDIUMCVSS 5.4/10EPSS 3.39%

Last modified

CVE-2019-3880 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A flaw was found in the way samba implemented an RPC endpoint emulating the Windows registry service API. An unprivileged attacker could use this flaw to create a new registry hive file anywhere they have unix permissions which could lead to creation of a new file in the Samba share. EPSS estimates a 3.39% chance of exploitation in the next 30 days.

Description

A flaw was found in the way samba implemented an RPC endpoint emulating the Windows registry service API. An unprivileged attacker could use this flaw to create a new registry hive file anywhere they have unix permissions which could lead to creation of a new file in the Samba share. Versions before 4.8.11, 4.9.6 and 4.10.2 are vulnerable.

Metrics

CVSS 3.1
5.4/10

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

EPSS Probability
3.39%

87.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SambaSamba>= 3.2.0, < 4.8.11
SambaSamba>= 4.9.0, < 4.9.6
SambaSamba>= 4.10.0, < 4.10.2
DebianDebian Linux8.0
RedhatGluster Storage3.0
RedhatEnterprise Linux7.0
FedoraprojectFedora28
FedoraprojectFedora29
FedoraprojectFedora30
OpensuseLeap42.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-3880?
A flaw was found in the way samba implemented an RPC endpoint emulating the Windows registry service API. An unprivileged attacker could use this flaw to create a new registry hive file anywhere they have unix permissions which could lead to creation of a new file in the Samba share. Versions before 4.8.11, 4.9.6 and 4.10.2 are vulnerable.
How severe is CVE-2019-3880?
CVE-2019-3880 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 3.39% probability of exploitation in the next 30 days.
How do I fix CVE-2019-3880?
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.

Are you affected by CVE-2019-3880?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST