CVE-2020-4031

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-4031
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-4031.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-4031
Downstream
Related
Published
2020-06-22T22:15:13Z
Modified
2025-10-15T12:21:09.446999Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In FreeRDP before version 2.1.2, there is a use-after-free in gdi_SelectObject. All FreeRDP clients using compatibility mode with /relax-order-checks are affected. This is fixed in version 2.1.2.

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
6d86e20e1e7caaab4f0c7f89e36d32914dbccc52

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
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

[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "206824409836018329107931826041728959867",
                "260941141889332641186153920543010721710",
                "244372807494333150934362210269961780669",
                "11220332270728209492738135928567876790",
                "109709125800227540552630846963918169160",
                "280502749591609004556720326341572702766",
                "272391707204034853583769809678780120114",
                "153041246365193990729603684708156713072",
                "297327554412935137345118440425799656686",
                "234476187276609072557850772052902601274",
                "320116423252867463164242454449601887554"
            ]
        },
        "id": "CVE-2020-4031-6d8a4e80",
        "target": {
            "file": "server/shadow/shadow_server.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://github.com/freerdp/freerdp/commit/6d86e20e1e7caaab4f0c7f89e36d32914dbccc52",
        "signature_type": "Line"
    },
    {
        "digest": {
            "function_hash": "327365352117490775117547188598520203541",
            "length": 1409.0
        },
        "id": "CVE-2020-4031-71f28b03",
        "target": {
            "function": "shadow_server_start",
            "file": "server/shadow/shadow_server.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://github.com/freerdp/freerdp/commit/6d86e20e1e7caaab4f0c7f89e36d32914dbccc52",
        "signature_type": "Function"
    }
]