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Debian Security Advisory DSA 3533-1 (openvswitch - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Kashyap Thimmaraju and Bhargava Shastry discovered a remotely triggerable buffer overflow vulnerability in openvswitch, a production quality, multilayer virtual switch implementation. Specially crafted MPLS packets could overflow the buffer reserved for MPLS labels in an OVS internal data structure. A remote attacker can take advantage of this flaw to cause a denial of service, or potentially, execution of arbitrary code.
Affected Software
Affected Software
openvswitch on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (jessie), this problem has been fixed in version 2.3.0+git20140819-3+deb8u1. For the unstable distribution (sid), this problem has been fixed in version 2.3.0+git20140819-4. We recommend that you upgrade your openvswitch packages.