CVE-2020-4031

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