CVE-2020-11086

See a problem?
Please try reporting it to the source first.
Source
https://nvd.nist.gov/vuln/detail/CVE-2020-11086
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-11086.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-11086
Downstream
Related
Published
2020-05-29T20:15:10Z
Modified
2025-10-15T11:28:12.364193Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L CVSS Calculator
Summary
[none]
Details

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlmreadntlmv2client_challenge that reads up to 28 bytes out-of-bound to an internal structure. This has been fixed in 2.1.0.

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
c098f21fdaadca57ff649eee1674f6cc321a2ec4

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-2020-11086-5849ac3d",
        "digest": {
            "line_hashes": [
                "211676456731767137019728773717396383906",
                "142002718534890085186882303774041871813",
                "326590373457921532474577125776340758673",
                "92446602161392049848322987325756642675",
                "244837119603015813013823863255436314461",
                "88986712316767417463579653199593800425",
                "205040071286649792016492765856929257982",
                "322933729723612140702113726666585771660"
            ],
            "threshold": 0.9
        },
        "source": "https://github.com/freerdp/freerdp/commit/c098f21fdaadca57ff649eee1674f6cc321a2ec4",
        "target": {
            "file": "winpr/libwinpr/sspi/NTLM/ntlm_compute.c"
        },
        "deprecated": false,
        "signature_type": "Line",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2020-11086-a90348c5",
        "digest": {
            "length": 652.0,
            "function_hash": "191925567384038713584274953095323463496"
        },
        "source": "https://github.com/freerdp/freerdp/commit/c098f21fdaadca57ff649eee1674f6cc321a2ec4",
        "target": {
            "file": "winpr/libwinpr/sspi/NTLM/ntlm_compute.c",
            "function": "ntlm_read_ntlm_v2_client_challenge"
        },
        "deprecated": false,
        "signature_type": "Function",
        "signature_version": "v1"
    }
]