CVE-2020-11047

In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetectrecvbandwidthmeasureresults. A malicious server can extract up to 8 bytes of client memory with a manipulated message by providing a short input and reading the measurement result data. This has been patched in 2.0.0.

References

Affected packages

Git / github.com/freerdp/freerdp

Affected ranges

Type

GIT

Repo

https://github.com/freerdp/freerdp

Events

Introduced

Fixed

5ab2bed8749747b8e4b2ed431fd102bc726be684

Fixed

f5e73cc7c9cd973b516a618da877c87b80950b65

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.0.0"
        }
    ]
}

Affected versions

1.*

1.0-beta1

1.0-beta2

1.0-beta3

1.0-beta4

1.0-beta5

1.0.0

1.0.1

1.1.0-beta+2013071101

1.1.0-beta1

1.1.0-beta1+android2

1.1.0-beta1+android3

1.1.0-beta1+android4

1.1.0-beta1+android5

1.1.0-beta1+ios1

1.1.0-beta1+ios2

1.1.0-beta1+ios3

1.1.0-beta1+ios4

1.2.0-beta1+android7

1.2.0-beta1+android9

2.*

2.0.0-beta1+android10

2.0.0-beta1+android11

2.0.0-rc0

2.0.0-rc1

2.0.0-rc2

2.0.0-rc3

2.0.0-rc4

Database specific

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "19.10"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "20.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-11047.json"

vanir_signatures

[
    {
        "id": "CVE-2020-11047-c31993f2",
        "deprecated": false,
        "digest": {
            "length": 748.0,
            "function_hash": "275682443746037674413025516285329823533"
        },
        "source": "https://github.com/freerdp/freerdp/commit/f5e73cc7c9cd973b516a618da877c87b80950b65",
        "target": {
            "function": "autodetect_recv_bandwidth_measure_results",
            "file": "libfreerdp/core/autodetect.c"
        },
        "signature_type": "Function",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2020-11047-c79aeac2",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "327842620148603249781762914231727130334",
                "221515800091520248381371922132237320982",
                "188622707983370506134756774966658531686",
                "107574578152860134080665182406564581606"
            ]
        },
        "source": "https://github.com/freerdp/freerdp/commit/f5e73cc7c9cd973b516a618da877c87b80950b65",
        "target": {
            "file": "libfreerdp/core/autodetect.c"
        },
        "signature_type": "Line",
        "signature_version": "v1"
    }
]