openvswitch openvswitch vulnerabilities and exploits

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NA

The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x up to and including 2.17.2 and 3.0.0 allows remote malicious users to cause a denial of service (delays of legitimate traffic) via crafted packet data that requires excessive evaluation time within the packet classificati...

Openvswitch Openvswitch 3.0.0 Openvswitch Openvswitch

4.3

CVSSv2

In lib/ofp-util.c in Open vSwitch (OvS) prior to 2.8.1, there are multiple memory leaks while parsing malformed OpenFlow group mod messages. NOTE: the vendor disputes the relevance of this report, stating "it can only be triggered by an OpenFlow controller, but OpenFlow cont...

Openvswitch Openvswitch

4.3

CVSSv2

Open vSwitch (aka openvswitch) 2.11.0 up to and including 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action.

Openvswitch Openvswitch

3.3

CVSSv2

In Open vSwitch (OvS) 2.7.0, while parsing an OpenFlow role status message, there is a call to the abort() function for undefined role status reasons in the function `ofp_print_role_status_message` in `lib/ofp-print.c` that may be leveraged toward a remote DoS attack by a malicio...

Openvswitch Openvswitch 2.7.0

7.5

CVSSv2

In Open vSwitch (OvS) v2.7.0, there is a buffer over-read while parsing the group mod OpenFlow message sent from the controller in `lib/ofp-util.c` in the function `ofputil_pull_ofp15_group_mod`.

Openvswitch Openvswitch 2.7.0

5.8

CVSSv2

In Open vSwitch (OvS) 2.5.0, a malformed IP packet can cause the switch to read past the end of the packet buffer due to an unsigned integer underflow in `lib/flow.c` in the function `miniflow_extract`, permitting remote bypass of the access control list enforced by the switch.

Openvswitch Openvswitch 2.5.0

NA

openvswitch 2.17.8 exists to contain a memory leak via the function xmalloc__ in openvswitch-2.17.8/lib/util.c.

Openvswitch Openvswitch 2.17.8

3.6

CVSSv2

Open vSwitch 1.4.2 uses world writable permissions for (1) /var/lib/openvswitch/pki/controllerca/incoming/ and (2) /var/lib/openvswitch/pki/switchca/incoming/, which allows local users to delete and overwrite arbitrary files.

Openvswitch Openvswitch 1.4.2

NA

An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch.

Openvswitch Openvswitch Debian Debian Linux 11.0

NA

An out-of-bounds read in Organization Specific TLV was found in various versions of OpenvSwitch.

Openvswitch Openvswitch Debian Debian Linux 11.0

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