CVE-2018-10858

MEDIUMCVSS 4.3/10EPSS 4.30%

Last modified

CVE-2018-10858 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing. A malicious samba server could use this flaw to cause arbitrary code execution on a samba client. EPSS estimates a 4.30% chance of exploitation in the next 30 days.

Description

A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing. A malicious samba server could use this flaw to cause arbitrary code execution on a samba client. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are vulnerable.

Metrics

CVSS 3.0
4.3/10

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L

EPSS Probability
4.30%

89.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DebianDebian Linux9.0
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux18.04
SambaSamba< 4.6.16
SambaSamba>= 4.7.0, < 4.7.9
SambaSamba>= 4.8.0, < 4.8.4
RedhatVirtualization4.0
RedhatVirtualization Host4.0
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Workstation7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-10858?
A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing. A malicious samba server could use this flaw to cause arbitrary code execution on a samba client. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are vulnerable.
How severe is CVE-2018-10858?
CVE-2018-10858 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 4.30% probability of exploitation in the next 30 days.
How do I fix CVE-2018-10858?
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

Related CVEs from 2018

Are you affected by CVE-2018-10858?

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

Scan your code now

Source: NVD / NIST