CVE-2011-1526: Debian Linux

Medium severity, CVSS 6.5. EPSS: 3.9% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Debian Linux: version 5.0 only; version 6.0 only
• Fedoraproject Fedora: version 14 only; version 15 only
• Mit KRB5-Appl: before 1.0.1 (fixed in 1.0.1)
• Opensuse Opensuse: version 11.3 only; version 11.4 only
• Suse Linux Enterprise Desktop: version 10 only; version 11 only
• Suse Linux Enterprise Server: version 10 only; version 11 only
• Suse Linux Enterprise Software Development Kit: version 10 only; version 11 only

Published 2011-07-11. Last modified 2026-06-16.