U radu programskog paketa Samba otkriven je sigurnosni nedostatak. Moguće ga je iskoristiti udaljeno, za izvođenje DoS napada ili proizvoljno izvršavanje programskog koda.
Nedostatak je posljedica prepisivanja spremnika u "process.c" datoteci.
Posljedica:
Napadaču omogućuje izvođenje DoS napada ili pokretanje proizvoljnog programskog koda. Pritom uspješna zlouporaba uključuje slanje posebno oblikovanog zahtjeva.
Rješenje:
Korisnicima se savjetuje prelazak na ispravljenu inačicu.
==========================================================================
Ubuntu Security Notice USN-1374-1
February 24, 2012
samba vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 8.04 LTS
Summary:
Samba could be made to crash or run programs if it received specially
crafted network traffic.
Software Description:
- samba: SMB/CIFS file, print, and login server for Unix
Details:
Andy Davis discovered that Samba incorrectly handled certain AndX offsets.
A remote attacker could send a specially crafted request to the server and
cause a denial of service, or possibly execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 8.04 LTS:
samba 3.0.28a-1ubuntu4.17
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1374-1
CVE-2012-0870
Package Information:
https://launchpad.net/ubuntu/+source/samba/3.0.28a-1ubuntu4.17
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