USN-857-1: Qt vulnerabilities
10 November 2009
Qt vulnerabilities
Releases
Packages
- qt4-x11 -
Details
It was discovered that QtWebKit did not properly handle certain SVGPathList
data structures. If a user were tricked into viewing a malicious website,
an attacker could exploit this to execute arbitrary code with the
privileges of the user invoking the program. (CVE-2009-0945)
Several flaws were discovered in the QtWebKit browser and JavaScript
engines. If a user were tricked into viewing a malicious website, a remote
attacker could cause a denial of service or possibly execute arbitrary code
with the privileges of the user invoking the program. (CVE-2009-1687,
CVE-2009-1690, CVE-2009-1698, CVE-2009-1711, CVE-2009-1725)
It was discovered that QtWebKit did not properly handle certain XSL
stylesheets. If a user were tricked into viewing a malicious website,
an attacker could exploit this to read arbitrary local files, and possibly
files from different security zones. (CVE-2009-1699, CVE-2009-1713)
It was discovered that QtWebKit did not prevent the loading of local Java
applets. If a user were tricked into viewing a malicious website, an
attacker could exploit this to execute arbitrary code with the privileges
of the user invoking the program. (CVE-2009-1712)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 9.04
Ubuntu 8.10
After a standard system upgrade you need to restart your session to effect
the necessary changes.