Is CVE-2019-10218 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 3%.

What products does CVE-2019-10218 affect?

Tracked products affected include Samba. Check the version you run to see whether it is affected.

How do I fix CVE-2019-10218?

Apply the vendor fix in your normal patch cycle. Upgrade affected products to a fixed version.

CVE-2019-10218

Q: What is CVE-2019-10218?

CVE-2019-10218 is a medium-severity software vulnerability (Path traversal) with a CVSS score of 6.5. A flaw was found in the samba client, all samba versions before samba 4.11.2, 4.10.10 and 4.9.15, where a malicious server can supply a pathname to the client with separators. This could allow the client to access files and folders outside

MEDIUM severity · CVSS 6.5 · Path traversal

6.5CVSS MEDIUM

Summary

A flaw was found in the samba client, all samba versions before samba 4.11.2, 4.10.10 and 4.9.15, where a malicious server can supply a pathname to the client with separators. This could allow the client to access files and folders outside of the SMB network pathnames. An attacker could use this vulnerability to create files outside of the current working directory using the privileges of the client user.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

Confidentiality impactNone

Integrity impactHigh

Availability impactNone

Exploit probability (EPSS)3%

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

Affected products we track (1)

Samba

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

NVD record
https://www.samba.org/samba/security/CVE-2019-10218.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00015.htmlAdvisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10218Advisory
https://lists.debian.org/debian-lts-announce/2021/05/msg00023.html
https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OKPYHDFI7HRELVXBE5J4MTGSI35AKFBI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMIYCYXCPRTVCVZ3TP6ZGPJ6RZS3IX4G/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XQ3IUACPZJXSC4OM6P2V4IC4QMZQZWPD/