CVE-2020-13775

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-13775
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13775.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-13775
Downstream
Related
Published
2020-06-02T23:15:10.567Z
Modified
2025-11-20T11:12:33.742020Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.

References

Affected packages

Git / github.com/znc/znc

Affected ranges

Type
GIT
Repo
https://github.com/znc/znc
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
2390ad111bde16a78c98ac44572090b33c3bd2d8
Fixed
d229761821da38d984a9e4098ad96842490dc001

Affected versions

znc-0.*

znc-0.023
znc-0.025
znc-0.027
znc-0.028
znc-0.029
znc-0.030
znc-0.033
znc-0.034
znc-0.035
znc-0.036
znc-0.037
znc-0.038
znc-0.039
znc-0.040
znc-0.041
znc-0.043
znc-0.044
znc-0.045
znc-0.047
znc-0.050
znc-0.052
znc-0.054
znc-0.054-rc1
znc-0.054-rc2
znc-0.054-rc3
znc-0.056
znc-0.058
znc-0.060
znc-0.062
znc-0.064
znc-0.066
znc-0.068
znc-0.070
znc-0.072
znc-0.094
znc-0.096
znc-0.098
znc-0.200

znc-1.*

znc-1.0
znc-1.2
znc-1.6.0
znc-1.6.1
znc-1.6.1-rc1
znc-1.6.2
znc-1.6.2-rc1
znc-1.6.3
znc-1.6.3-rc1
znc-1.6.3-rc2
znc-1.6.4
znc-1.6.4-rc1
znc-1.6.4-rc2
znc-1.6.4-rc3
znc-1.6.5
znc-1.6.5-rc1
znc-1.7.0
znc-1.7.1
znc-1.7.1-rc1
znc-1.7.2
znc-1.7.2-rc1
znc-1.7.3
znc-1.7.3-rc1
znc-1.7.4
znc-1.7.4-rc1
znc-1.7.5
znc-1.7.5-rc1
znc-1.8.0

Database specific

vanir_signatures

[
    {
        "signature_version": "v1",
        "source": "https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001",
        "id": "CVE-2020-13775-68c39034",
        "signature_type": "Function",
        "target": {
            "file": "src/Client.cpp",
            "function": "CClient::OnTextMessage"
        },
        "digest": {
            "function_hash": "167904269692328655823236297049711722010",
            "length": 1048.0
        },
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "source": "https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001",
        "id": "CVE-2020-13775-b48ef002",
        "signature_type": "Line",
        "target": {
            "file": "src/Client.cpp"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "66497401595510528959044953371277996417",
                "326262900322500493459847737519654946263",
                "3090105072537556030670263174490445171",
                "100969480569315892382633661881648812705"
            ]
        },
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "source": "https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001",
        "id": "CVE-2020-13775-fc722159",
        "signature_type": "Line",
        "target": {
            "file": "test/integration/tests/core.cpp"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "282026506429154266749841997301203415096",
                "207338783748791260475251416198922182762",
                "339186054012205851326171200838075521853",
                "164159603877650132016191588735563078924",
                "154310451569641065774775021930081256914",
                "158207147809730001147209574032629522899",
                "207377680942250475708722903493820045482",
                "233062993365664671105950193386685885808"
            ]
        },
        "deprecated": false
    }
]