U radu programskog paketa GIMP uočeno je i ispravljeno tri propusta. Zlonamjerni napadači su ih mogli iskoristiti za DoS napad i proizvoljno izvršavanje programskog koda s privilegijama korisnika.
Paket:
gimp 2.x
Operacijski sustavi:
Ubuntu Linux 10.04, Ubuntu Linux 11.04, Ubuntu Linux 11.10, Ubuntu Linux 12.04
Kritičnost:
5.9
Problem:
neodgovarajuće rukovanje datotekama
Iskorištavanje:
lokalno/udaljeno
Posljedica:
dobivanje većih privilegija, proizvoljno izvršavanje programskog koda, uskraćivanje usluga (DoS)
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2012-3236, CVE-2012-3403, CVE-2012-3481
Izvorni ID preporuke:
USN-1559-1
Izvor:
Ubuntu
Problem:
Problemi su vezani uz rukovanje zloćudnim datotekama tipa KiSS i GIF, te zaglavljima datoteka tipa FIT.
Posljedica:
Opisane nedostatke napadač može iskoristiti za napad uskraćivanjem usluga (eng. Denial of Service, DoS) i proizvoljno pokretanje programskog koda s ovlastima korisnika koji je pokrenuo program.
Rješenje:
Korisnicima se savjetuje korištenje programskih zakrpa proizvođača.
==========================================================================
Ubuntu Security Notice USN-1559-1
September 10, 2012
gimp vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
Summary:
GIMP could be made to crash or run programs as your login if it opened a
specially crafted file.
Software Description:
- gimp: The GNU Image Manipulation Program
Details:
Joseph Sheridan discovered that GIMP incorrectly handled certain malformed
headers in FIT files. If a user were tricked into opening a specially
crafted FIT image file, an attacker could cause GIMP to crash.
(CVE-2012-3236)
Murray McAllister discovered that GIMP incorrectly handled malformed KiSS
palette files. If a user were tricked into opening a specially crafted KiSS
palette file, an attacker could cause GIMP to crash, or possibly execute
arbitrary code with the user's privileges. (CVE-2012-3403)
Matthias Weckbecker discovered that GIMP incorrectly handled malformed GIF
image files. If a user were tricked into opening a specially crafted GIF
image file, an attacker could cause GIMP to crash, or possibly execute
arbitrary code with the user's privileges. (CVE-2012-3481)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
gimp 2.6.12-1ubuntu1.1
Ubuntu 11.10:
gimp 2.6.11-2ubuntu4.1
Ubuntu 11.04:
gimp 2.6.11-1ubuntu6.3
Ubuntu 10.04 LTS:
gimp 2.6.8-2ubuntu1.5
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1559-1
CVE-2012-3236, CVE-2012-3403, CVE-2012-3481
Package Information:
https://launchpad.net/ubuntu/+source/gimp/2.6.12-1ubuntu1.1
https://launchpad.net/ubuntu/+source/gimp/2.6.11-2ubuntu4.1
https://launchpad.net/ubuntu/+source/gimp/2.6.11-1ubuntu6.3
https://launchpad.net/ubuntu/+source/gimp/2.6.8-2ubuntu1.5
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