Secunia Logo
Netsikker nu! 2008
 
nss-mdns Denial of Service Vulnerability
Secunia Advisory: SA27690
Release Date: 2007-11-22
Popularity: 4,887 views

Critical:
Less critical
Impact: DoS
Where: From local network
Solution Status: Vendor Patch

Software:nss-mdns 0.x

Subscribe: Instant alerts on relevant vulnerabilities


Description:
A vulnerability has been reported in nss-mdns, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to the use of miss-aligned data structures within the "_nss_mdns_gethostbyname2_r()" function in nss.c and can be exploited to crash an application using the library.

The vulnerability is reported in versions prior to 0.10 running on the ARM and SPARC architectures.

Solution:
Update to version 0.10.

Provided and/or discovered by:
Daniel Smolik

Original Advisory:
Debian:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=423222
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=451428

nss-mdns:
http://0pointer.de/lennart/projects/nss-mdns/#news


Track this Secunia Advisory
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.

Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.

About this Secunia Advisory
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
  
Latest Advisories

Today
New advisories: 19
New vulnerabilities: 68
Updated advisories: 62

Moderately // 241 views
Debian update for php5
Moderately // 175 views
Atarone CMS Multiple Vulnerabilities
Moderately // 211 views
Debian update for squid
Less // 217 views
SUSE update for mercurial
Moderately // 261 views
SUSE update for openssh
Less // 204 views
Fedora update for mediawiki

Solutions | More...  


Send Feedback to Secunia
If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com.

Ideas, suggestions, and other feedback are most welcome.

Most Popular - 3 Hours

1. Debian update for php5 // 55 views
2. Juniper Products Neighbor Discovery Protocol Neighbor Solicitation Vulnerability // 39 views
3. CMME Information Disclosure Security Issues // 37 views
4. H-Sphere webshell4 Cross-Site Scripting and Request Forgery // 36 views
5. Atarone CMS Multiple Vulnerabilities // 35 views
6. Debian update for squid // 34 views
7. SUSE update for openssh // 32 views
8. Fedora update for mediawiki // 29 views
9. MetaGauge Directory Traversal Vulnerability // 27 views
10. HP-UX NFS/ONCplus Denial of Service Vulnerability // 27 views