CVE-2018-17206

An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6. The decode_bundle function inside lib/ofp-actions.c is affected by a buffer over-read issue during BUNDLE action decoding.

References

Affected packages

Git / github.com/openvswitch/ovs

Affected ranges

Type

GIT

Repo

https://github.com/openvswitch/ovs

Events

Introduced

c298ef781c2d35d939fe163cbc2f41ea7b1cb8d1

Last affected

a3830aae25911fef587c08f7301b4665ecc17ae1

Fixed

9237a63c47bd314b807cda0bd2216264e82edbe8

Database specific

{
    "versions": [
        {
            "introduced": "2.7.0"
        },
        {
            "last_affected": "2.7.6"
        }
    ]
}

Affected versions

v2.*

v2.7.0

v2.7.1

v2.7.2

v2.7.3

v2.7.4

v2.7.5

v2.7.6

Database specific

vanir_signatures

[
    {
        "signature_version": "v1",
        "source": "https://github.com/openvswitch/ovs/commit/9237a63c47bd314b807cda0bd2216264e82edbe8",
        "signature_type": "Function",
        "deprecated": false,
        "digest": {
            "function_hash": "57461956889987823182985039612819091499",
            "length": 2465.0
        },
        "id": "CVE-2018-17206-41634a70",
        "target": {
            "function": "decode_bundle",
            "file": "lib/ofp-actions.c"
        }
    },
    {
        "signature_version": "v1",
        "source": "https://github.com/openvswitch/ovs/commit/9237a63c47bd314b807cda0bd2216264e82edbe8",
        "signature_type": "Line",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "210906905664758460515499443758496348914",
                "169491159002022090409035248224929762667",
                "260441358071495433885160431772933471618",
                "29049431944125111516871169759209627234",
                "104421915300623089526274437846960737898",
                "236094497615507576891058569560103942668",
                "97419143637965801260516021338863620520",
                "265232926905435110150322864614360754111"
            ]
        },
        "id": "CVE-2018-17206-f8b6cd53",
        "target": {
            "file": "lib/ofp-actions.c"
        }
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-17206.json"

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "13"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    }
]