SARA / Free Tools / CVE / CVE-2022-32742

CVE-2022-32742 — A flaw was found in Samba

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

CVSS
— —
EPSS
0.25% (top 51.90%)
CWE
CWE-200
Published
2022-08-25T00:00:00.000Z
Last modified
2024-08-03T07:46:44.972Z
CVSS vector
—

01What is this vulnerability?

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).

02Affected products

VendorProductVersions
na / sambaVersions prior to samba 4.16.4, samba 4.15.9, samba 4.14.14

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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