CVE-2018-8786

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Source
https://nvd.nist.gov/vuln/detail/CVE-2018-8786
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-8786.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-8786
Downstream
Related
Published
2018-11-29T18:29:00.897Z
Modified
2025-11-14T09:00:20.772954Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function updatereadbitmap_update() and results in a memory corruption and probably even a remote code execution.

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
445a5a42c500ceb80f8fa7f2c11f3682538033f3

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

Database specific

vanir_signatures

[
    {
        "signature_type": "Line",
        "deprecated": false,
        "id": "CVE-2018-8786-329bcc0f",
        "source": "https://github.com/freerdp/freerdp/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3",
        "digest": {
            "line_hashes": [
                "277412402092088770970227068718825036570",
                "19949609365906676926611150519084190162",
                "173837865023928608710399833805419044716",
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                "64004066360059197763567408381924309212",
                "18415665860704505989511078769674884176"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "libfreerdp/core/update.c"
        }
    },
    {
        "signature_type": "Function",
        "deprecated": false,
        "id": "CVE-2018-8786-bd281f72",
        "source": "https://github.com/freerdp/freerdp/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3",
        "digest": {
            "length": 834.0,
            "function_hash": "257981003131345004245955199540566677553"
        },
        "signature_version": "v1",
        "target": {
            "file": "libfreerdp/core/update.c",
            "function": "update_read_bitmap_update"
        }
    }
]