Information disclosure in Samba

CVE-2022-32742

A flaw was found in Samba. Some SMB1 write requests were not correctly range-checked to ensure the client had sent enough data to fulfill the write, allowing server memory contents to be written into the file (or printer) instead of client-supplied data. The client cannot control the area of the server memory written to the file (or printer).

Vulnerability class: Information Disclosure

EPSS: 0.010 (58.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

  • Samba
  • N/a Samba — versions Versions prior to samba 4.16.4, samba 4.15.9, samba 4.14.14

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-32742?
CVE-2022-32742 is a medium-severity vulnerability in Samba, classified under Information Disclosure. CVSS score: 4.3/10. Published 2022-08-25.
How severe is CVE-2022-32742?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2022-32742 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.