SARA / Free Tools / CVE / CVE-2023-34967

CVE-2023-34967 — A Type Confusion vulnerability was found in Samba's mdssvc RPC service for Spotl

A Type Confusion vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys are character strings, and the values can be any of the supported types

CVSS
5.3 MEDIUM
EPSS
21.17% (top 4.40%)
CWE
CWE-843
Published
2023-07-20T14:57:45.624Z
Last modified
2025-11-20T17:29:02.200Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

01What is this vulnerability?

A Type Confusion vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys are character strings, and the values can be any of the supported types in the mdssvc protocol. Due to a lack of type checking in callers of the dalloc_value_for_key() function, which returns the…

02Affected products

VendorProductVersions
Red HatRed Hat Enterprise Linux 80:4.18.6-1.el8
Red HatRed Hat Enterprise Linux 80:4.18.6-1.el8
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support0:4.15.5-15.el8_6
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support0:4.17.5-5.el8_8
Red HatRed Hat Enterprise Linux 90:4.18.6-100.el9
Red HatRed Hat Enterprise Linux 90:4.18.6-100.el9
Red HatRed Hat Virtualization 4 for Red Hat Enterprise Linux 80:4.15.5-15.el8_6
Red HatRed Hat Enterprise Linux 6unspecified
Red HatRed Hat Enterprise Linux 6unspecified
Red HatRed Hat Enterprise Linux 7unspecified
Red HatRed Hat Storage 3unspecified

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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