CVE-2010-4345

unknown KEV

Published 2022-03-25 · Modified 2022-03-25

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

2.5

Description

Exim allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands.

CISA KEV

Vendor: Exim
Product: Exim
Due date: 2022-04-15

Predictions

Exploit likelihood

99%

Patch ETA

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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-16925 remote linux verified

Metasploit · 2010-12-16

Exim4 < 4.69 - string_format Function Heap Buffer Overflow (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_unix/smtp/exim4_string_format rank 600

Exim4 string_format Function Heap Buffer Overflow

Source code queued for fetch — refresh in a moment.

OS impact

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`4.72-3`
sid	Fixed	`4.72-3`
forky	Fixed	`4.72-3`
bullseye	Fixed	`4.72-3`
bookworm	Fixed	`4.72-3`

References

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

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