漏洞类别：Ubuntu
漏洞等级： 
漏洞信息
It was discovered that DBus incorrectly validated the source of ActivationFailure signals.
It was discovered that DBus incorrectly handled certain format strings.
漏洞危害
A local attacker could use this issue to cause a denial of service. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-0245)
A local attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. This issue is only exposed to unprivileged users when the fix for CVE-2015-0245 is not applied, hence this issue is only likely to affect Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Ubuntu 16.04 LTS and Ubuntu 16.10 have been updated as a preventative measure in the event that a new attack vector for this issue is discovered.
解决方案
Refer to Ubuntu advisory USN-3116-1 for affected packages and patching details, or update with your package manager.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
USN-3116-1: 16.04 (Xenial) on src (dbus)
USN-3116-1: 14.04 (Kylin) on src (libdbus-1-3)
USN-3116-1: 16.10 (Yakkety) on src (libdbus-1-3)
USN-3116-1: 16.10 (Yakkety) on src (dbus)
USN-3116-1: 12.04 (Precise) on src (dbus)
USN-3116-1: 12.04 (Precise) on src (libdbus-1-3)
0day
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