CVE-2023-28458

unknown

Published 2023-04-20 · Modified 2023-11-08

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v4 NEW

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not yet in upstream

VIR risk

1.0

Description

pretalx 2.3.1 before 2.3.2 allows path traversal in HTML export (a non-default feature). Organizers can trigger the overwriting (with the standard pretalx 404 page content) of an arbitrary file.

Predictions

Exploit likelihood

65%

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.

Metasploit modules

auxiliary_scanner/http/pretalx_file_read_cve_2023_28459 rank 300

Pretalx Arbitrary File Read/Limited File Write

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

exploit_linux/http/pretalx_rce_cve_2023_28458 rank 600

Pretalx Limited File Write to Remote Code Execution

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

Package impact

Ecosystem	Package	Vulnerable	Fixed
PyPI	pretalx	`>=2.3.1,<2.3.2`	`2.3.2`
PyPI	pretalx	`<60722c43cf975f319e94102e6bff320723776890\|\|>=2.3.1,<2.3.2`	`60722c43cf975f319e94102e6bff320723776890`

References

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

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