| Description: | Description:
The remote host is missing an update to libpng12-0
announced via advisory USN-1175-1.
Details:
Frank Busse discovered that libpng did not properly handle certain
malformed PNG images. If a user or automated system were tricked into
opening a crafted PNG file, an attacker could cause libpng to crash,
resulting in a denial of service. This issue only affected Ubuntu
10.04 LTS, 10.10, and 11.04. (CVE-2011-2501)
It was discovered that libpng did not properly handle certain malformed PNG
images. If a user or automated system were tricked into opening a crafted
PNG file, an attacker could cause a denial of service or possibly execute
arbitrary code with the privileges of the user invoking the program.
(CVE-2011-2690)
Frank Busse discovered that libpng did not properly handle certain PNG
images with invalid sCAL chunks. If a user or automated system were tricked
into opening a crafted PNG file, an attacker could cause a denial of
service or possibly execute arbitrary code with the privileges of the user
invoking the program. (CVE-2011-2692)
Solution:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 11.04:
libpng12-0 1.2.44-1ubuntu3.1
Ubuntu 10.10:
libpng12-0 1.2.44-1ubuntu0.1
Ubuntu 10.04 LTS:
libpng12-0 1.2.42-1ubuntu2.2
Ubuntu 8.04 LTS:
libpng12-0 1.2.15~
beta5-3ubuntu0.4
http://www.securityspace.com/smysecure/catid.html?in=USN-1175-1
CVSS Score:
6.8
CVSS Vector:
AV:L/AC:H/Au:NR/C:P/I:P/A:P
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