CVE-2017-7494

high KEV

Published 2023-03-30 · Modified 2023-03-30

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

10.0

Description

Samba contains a remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share and then cause the server to load and execute it.

CISA KEV

Vendor: Samba
Product: Samba
Due date: 2023-04-20

Predictions

Exploit likelihood

99%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-42060 remote linux verified

steelo · 2017-05-24

Samba 3.5.0 - Remote Code Execution

Source code queued for fetch — refresh in a moment.

EDB-42084 remote linux verified

Metasploit · 2017-05-29

Samba 3.5.0 < 4.4.14/4.5.10/4.6.4 - 'is_known_pipename()' Arbitrary Module Load (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_linux/samba/is_known_pipename rank 600

Samba is_known_pipename() Arbitrary Module Load

Source fetch failed: fetch_error — view the original via the link above.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`4.5.10-1`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`2:4.5.8+dfsg-2`
sid	Fixed	`2:4.5.8+dfsg-2`
forky	Fixed	`2:4.5.8+dfsg-2`
bullseye	Fixed	`2:4.5.8+dfsg-2`
bookworm	Fixed	`2:4.5.8+dfsg-2`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.