GLSA 201201-14: MIT Kerberos 5 Applications: Multiple vulnerabilities

Title:MIT Kerberos 5 Applications: Multiple vulnerabilities
Bugs: #374229, #396137


Multiple vulnerabilities have been found in MIT Kerberos 5 Applications, the most severe of which may allow execution of arbitrary code.


A suite of applications that implement the Kerberos 5 network protocol from MIT.

Affected packages

Package Vulnerable Unaffected Architecture(s)
app-crypt/mit-krb5-appl < 1.0.2-r1 >= 1.0.2-r1 All supported architectures


Multiple vulnerabilities have been discovered in MIT Kerberos 5 Applications:

  • An error in the FTP daemon prevents it from dropping its initial effective group identifier (CVE-2011-1526).
  • A boundary error in the telnet daemon and client could cause a buffer overflow (CVE-2011-4862).


An unauthenticated remote attacker may be able to execute arbitrary code with the privileges of the user running the telnet daemon or client. Furthermore, an authenticated remote attacker may be able to read or write files owned by the same group as the effective group of the FTP daemon.


There is no known workaround at this time.


All MIT Kerberos 5 Applications users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose



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