CVE-2018-18838

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2018-18838
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18838.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-18838
Downstream
Related
Published
2019-06-18T16:15:10.680Z
Modified
2026-07-08T17:16:48.684039Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in Netdata 1.10.0. Log Injection (or Log Forgery) exists via a %0a sequence in the url parameter to api/v1/registry.

References

Affected packages

Git / github.com/netdata/netdata

Affected ranges

Type
GIT
Repo
https://github.com/netdata/netdata
Events
Introduced
c92349444f88427d8ddef2fb1ac6c4932cf6c8bb
Last affected
c92349444f88427d8ddef2fb1ac6c4932cf6c8bb
Fixed
92327c9ec211bd1616315abcb255861b130b97ca
Database specific 
{
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "1.10.0"
        },
        {
            "last_affected": "1.10.0"
        }
    ],
    "cpe": "cpe:2.3:a:my-netdata:netdata:1.10.0:*:*:*:*:*:*:*"
}

Affected versions

1.*
1.10.0
v1.*
v1.10.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18838.json"
vanir_signatures 
[
    {
        "source": "https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca",
        "digest": {
            "line_hashes": [
                "66543347973657702719146160550183012649",
                "338539389829895664211686211858862033147",
                "181613397865496398390060114766203357490",
                "311939904960053635228447904840087471795",
                "69162383861090423052578740815008696676",
                "295754951258971798843125484558902277741"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "signature_version": "v1",
        "deprecated": false,
        "target": {
            "file": "web/api/web_api_v1.c"
        },
        "id": "CVE-2018-18838-1abb3bcc"
    },
    {
        "source": "https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca",
        "digest": {
            "function_hash": "204881456466600532908895856298960794977",
            "length": 4676.0
        },
        "signature_type": "Function",
        "signature_version": "v1",
        "deprecated": false,
        "target": {
            "function": "web_client_api_request_v1_data",
            "file": "web/api/web_api_v1.c"
        },
        "id": "CVE-2018-18838-8953f44d"
    },
    {
        "source": "https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca",
        "digest": {
            "line_hashes": [
                "179904335846742252483163393046264994826",
                "190346668020436203569205258275860151209",
                "168848541308149862787108906740940067034",
                "149049622975872964869544566748975749382"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "signature_version": "v1",
        "deprecated": false,
        "target": {
            "file": "libnetdata/url/url.c"
        },
        "id": "CVE-2018-18838-a1c71538"
    },
    {
        "source": "https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca",
        "digest": {
            "function_hash": "145019406472654216900235053973844180715",
            "length": 450.0
        },
        "signature_type": "Function",
        "signature_version": "v1",
        "deprecated": false,
        "target": {
            "function": "url_decode_r",
            "file": "libnetdata/url/url.c"
        },
        "id": "CVE-2018-18838-f8c8e8f7"
    }
]
vanir_signatures_modified 
"2026-07-08T17:16:48Z"