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

0 Unknown introduced commit / All previous commits are affected

Fixed

f5e73cc7c9cd973b516a618da877c87b80950b65

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

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