CVE-2020-11047

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-11047
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11047.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-11047
Downstream
Related
Published
2020-05-07T20:15:12Z
Modified
2025-10-21T05:20:18.156584Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

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

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