Gentoo Forums
Gentoo Forums
Gentoo Forums
Quick Search: in
[ GLSA 201111-06 ] MaraDNS: Arbitrary code execution
View unanswered posts
View posts from last 24 hours

 
Reply to topic    Gentoo Forums Forum Index News & Announcements
View previous topic :: View next topic  
Author Message
GLSA
Veteran
Veteran


Joined: 12 May 2004
Posts: 1571

PostPosted: Sun Nov 20, 2011 6:26 pm    Post subject: [ GLSA 201111-06 ] MaraDNS: Arbitrary code execution Reply with quote

Gentoo Linux Security Advisory

Title: MaraDNS: Arbitrary code execution (GLSA 201111-06)
Severity: high
Exploitable: remote
Date: November 20, 2011
Bug(s): #352569
ID: 201111-06

Synopsis

A buffer overflow vulnerability in MaraDNS allows remote attackers
to execute arbitrary code or cause a Denial of Service.


Background

MaraDNS is a proxy DNS server with permanent caching.

Affected Packages

Package: net-dns/maradns
Vulnerable: < 1.4.06
Unaffected: >= 1.4.06
Architectures: All supported architectures


Description

A long DNS hostname with a large number of labels could trigger a buffer
overflow in the compress_add_dlabel_points() function of dns/Compress.c.


Impact

A remote unauthenticated attacker could execute arbitrary code or cause
a Denial of Service.


Workaround

There is no known workaround at this time.

Resolution

All MaraDNS users should upgrade to the latest stable version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-dns/maradns-1.4.06"
   
NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since February 12, 2011. It is likely that your system is
already no longer affected by this issue.


References

CVE-2011-0520


Last edited by GLSA on Tue May 20, 2014 4:30 am; edited 2 times in total
Back to top
View user's profile Send private message
Display posts from previous:   
Reply to topic    Gentoo Forums Forum Index News & Announcements All times are GMT
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum