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CVE-2023-34967

CVE-2023-34967 · Samba: type confusion in mdssvc rpc service for spotlight

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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 object associated with a key, a caller may trigger a crash in talloc_get_size() when talloc detects that the passed-in pointer is not a valid talloc pointer. With an RPC worker process shared among multiple client connections, a malicious client or attacker can trigger a process crash in a shared RPC mdssvc worker process, affecting all other clients this worker serves.

CVSS 5.3 · Medium · EPSS 61.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • red hat enterprise linux 8

    Versions
    • ≥ 0:4.18.6-1.el8: Not affected (rpm)

    No fix published

  • red hat enterprise linux 8.6 extended update support

    Versions
    • ≥ 0:4.15.5-15.el8_6: Not affected (rpm)

    No fix published

  • red hat enterprise linux 8.8 extended update support

    Versions
    • ≥ 0:4.17.5-5.el8_8: Not affected (rpm)

    No fix published

  • red hat enterprise linux 9

    Versions
    • ≥ 0:4.18.6-100.el9: Not affected (rpm)

    No fix published

  • red hat virtualization 4 for red hat enterprise linux 8

    Versions
    • ≥ 0:4.15.5-15.el8_6: Not affected (rpm)

    No fix published

  • red hat enterprise linux 6

    No fix published

  • red hat enterprise linux 7

    No fix published

  • red hat storage 3

    No fix published

  • samba Debian:12

    Versions
    • 2:4.17.10+dfsg-0+deb12u1~bpo11+1
    • 2:4.17.8+dfsg-2
    • 2:4.17.8+dfsg-2.1
    • 2:4.17.9+dfsg-0+deb12u1
    • 2:4.17.9+dfsg-0+deb12u2
    • 2:4.17.9+dfsg-0+deb12u3
    • 2:4.17.9+dfsg-0+deb12u3~bpo11+1
    Affected ranges
    • ECOSYSTEM: < 2:4.17.10+dfsg-0+deb12u1

    Update to 2:4.17.10+dfsg-0+deb12u1

  • samba Debian:13

    Affected ranges
    • ECOSYSTEM: < 2:4.18.5+dfsg-1

    Update to 2:4.18.5+dfsg-1

  • samba Debian:14

    Affected ranges
    • ECOSYSTEM: < 2:4.18.5+dfsg-1

    Update to 2:4.18.5+dfsg-1

  • samba Ubuntu:20.04:LTS

    Versions
    • 2:4.10.7+dfsg-0ubuntu2
    • 2:4.10.7+dfsg-0ubuntu3
    • 2:4.11.1+dfsg-3ubuntu1
    • 2:4.11.1+dfsg-3ubuntu2
    • 2:4.11.1+dfsg-3ubuntu4
    • 2:4.11.5+dfsg-1ubuntu1
    • 2:4.11.5+dfsg-1ubuntu2
    • 2:4.11.6+dfsg-0ubuntu1
    • 2:4.11.6+dfsg-0ubuntu1.1
    • 2:4.11.6+dfsg-0ubuntu1.2
    • 2:4.11.6+dfsg-0ubuntu1.3
    • 2:4.11.6+dfsg-0ubuntu1.4
    • 2:4.11.6+dfsg-0ubuntu1.5
    • 2:4.11.6+dfsg-0ubuntu1.6
    • 2:4.11.6+dfsg-0ubuntu1.8
    • 2:4.11.6+dfsg-0ubuntu1.9
    • 2:4.11.6+dfsg-0ubuntu1.10
    • 2:4.13.14+dfsg-0ubuntu0.20.04.1
    • 2:4.13.14+dfsg-0ubuntu0.20.04.2
    • 2:4.13.14+dfsg-0ubuntu0.20.04.3
    • 2:4.13.14+dfsg-0ubuntu0.20.04.4
    • 2:4.13.17~dfsg-0ubuntu0.21.04.1
    • 2:4.13.17~dfsg-0ubuntu0.21.04.2
    • 2:4.13.17~dfsg-0ubuntu1.20.04.1
    • 2:4.13.17~dfsg-0ubuntu1.20.04.2
    • 2:4.13.17~dfsg-0ubuntu1.20.04.4
    • 2:4.13.17~dfsg-0ubuntu1.20.04.5
    • 2:4.15.13+dfsg-0ubuntu0.20.04.1
    • 2:4.15.13+dfsg-0ubuntu0.20.04.2
    Affected ranges
    • ECOSYSTEM: < 2:4.15.13+dfsg-0ubuntu0.20.04.3

    Update to 2:4.15.13+dfsg-0ubuntu0.20.04.3

  • samba Ubuntu:22.04:LTS

    Versions
    • 2:4.13.5+dfsg-2ubuntu2
    • 2:4.13.5+dfsg-2ubuntu3
    • 2:4.13.14+dfsg-0ubuntu1
    • 2:4.13.14+dfsg-0ubuntu2
    • 2:4.15.5~dfsg-0ubuntu1
    • 2:4.15.5~dfsg-0ubuntu2
    • 2:4.15.5~dfsg-0ubuntu4
    • 2:4.15.5~dfsg-0ubuntu5
    • 2:4.15.5~dfsg-0ubuntu5.1
    • 2:4.15.9+dfsg-0ubuntu0.2
    • 2:4.15.9+dfsg-0ubuntu0.3
    • 2:4.15.13+dfsg-0ubuntu1
    • 2:4.15.13+dfsg-0ubuntu1.1
    Affected ranges
    • ECOSYSTEM: < 2:4.15.13+dfsg-0ubuntu1.2

    Update to 2:4.15.13+dfsg-0ubuntu1.2

Original sources

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