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
DEBIAN (1)
openSUSE (4)
UBUNTU (1)
Related
openSUSE (4)
Published
2019-06-18T16:15:10Z
Modified
2026-07-08T17:16:48Z
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
Show details 
{
    "cpe":  "cpe:2.3:a:my-netdata:netdata:1.10.0:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "1.10.0"
        },
        {
            "last_affected":  "1.10.0"
        }
    ],
    "source":  [
        "CPE_STRING",
        "REFERENCES"
    ]
}

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 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "66543347973657702719146160550183012649",
                "338539389829895664211686211858862033147",
                "181613397865496398390060114766203357490",
                "311939904960053635228447904840087471795",
                "69162383861090423052578740815008696676",
                "295754951258971798843125484558902277741"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2018-18838-1abb3bcc",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca",
        "target":  {
            "file":  "web/api/web_api_v1.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "204881456466600532908895856298960794977",
            "length":  4676
        },
        "id":  "CVE-2018-18838-8953f44d",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca",
        "target":  {
            "file":  "web/api/web_api_v1.c",
            "function":  "web_client_api_request_v1_data"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "179904335846742252483163393046264994826",
                "190346668020436203569205258275860151209",
                "168848541308149862787108906740940067034",
                "149049622975872964869544566748975749382"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2018-18838-a1c71538",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca",
        "target":  {
            "file":  "libnetdata/url/url.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "145019406472654216900235053973844180715",
            "length":  450
        },
        "id":  "CVE-2018-18838-f8c8e8f7",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca",
        "target":  {
            "file":  "libnetdata/url/url.c",
            "function":  "url_decode_r"
        }
    }
]
vanir_signatures_modified 
"2026-07-08T17:16:48Z"