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CVE-2011-1526

Publication date 11 July 2011

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
krb5 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
15.10 wily
Not affected
15.04 vivid
Not affected
14.10 utopic
Not affected
14.04 LTS trusty
Not affected
13.10 saucy
Not affected
13.04 raring
Not affected
12.10 quantal
Not affected
12.04 LTS precise
Not affected
11.10 oneiric
Not affected
11.04 natty
Not affected
10.10 maverick
Not affected
10.04 LTS lucid
Not affected
8.04 LTS hardy Ignored
krb5-appl 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
13.10 saucy Ignored
13.04 raring Ignored
12.10 quantal Ignored
12.04 LTS precise Ignored
11.10 oneiric Ignored
11.04 natty Ignored
10.10 maverick Ignored
10.04 LTS lucid Ignored
8.04 LTS hardy Not in release

Notes

sbeattie

krb5-appl was split out from the krb5 package between hardy and lucid by upstream; the CVE covers two issues: * the configure test for setegid() wasn't included when krb5-appl was split out and so setegid is defined to always return an error, which thus doesn't affect hardy * the code never checks the return value of setegid, which is a problem when setegid always fails, but less so when the setegid() is a real call, though still a real issue. hardy is affected by this, but less so than the split out krb5-appl packages. Therefore I'm marking this priority low for hardy/krb5

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
krb5-appl