CVE-2018-19052

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Source
https://cve.org/CVERecord?id=CVE-2018-19052
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-19052.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-19052
Downstream
Related
Published
2018-11-07T05:29:00.343Z
Modified
2026-07-09T00:59:11.365829Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in modaliasphysicalhandler in modalias.c in lighttpd before 1.4.50. There is potential ../ path traversal of a single directory above an alias target, with a specific mod_alias configuration where the matched alias lacks a trailing '/' character, but the alias target filesystem path does have a trailing '/' character.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "cpes": [
                "cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*",
                "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*"
            ],
            "vendor_product": "opensuse:backports_sle",
            "extracted_events": [
                {
                    "introduced": "15.0-NA"
                },
                {
                    "last_affected": "15.0-NA"
                },
                {
                    "introduced": "15.0-sp1"
                },
                {
                    "last_affected": "15.0-sp1"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "cpes": [
                "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
            ],
            "vendor_product": "opensuse:leap",
            "extracted_events": [
                {
                    "introduced": "15.0"
                },
                {
                    "last_affected": "15.0"
                },
                {
                    "introduced": "15.1"
                },
                {
                    "last_affected": "15.1"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "cpes": [
                "cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:*:*:*:*",
                "cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp4:*:*:*:*:*:*",
                "cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*",
                "cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp1:*:*:*:*:*:*",
                "cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp2:*:*:*:*:*:*",
                "cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp3:*:*:*:*:*:*",
                "cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp4:*:*:*:*:*:*"
            ],
            "vendor_product": "suse:suse_linux_enterprise_server",
            "extracted_events": [
                {
                    "introduced": "11-sp3"
                },
                {
                    "last_affected": "11-sp3"
                },
                {
                    "introduced": "11-sp4"
                },
                {
                    "last_affected": "11-sp4"
                },
                {
                    "introduced": "12"
                },
                {
                    "last_affected": "12"
                },
                {
                    "introduced": "12-sp1"
                },
                {
                    "last_affected": "12-sp1"
                },
                {
                    "introduced": "12-sp2"
                },
                {
                    "last_affected": "12-sp2"
                },
                {
                    "introduced": "12-sp3"
                },
                {
                    "last_affected": "12-sp3"
                },
                {
                    "introduced": "12-sp4"
                },
                {
                    "last_affected": "12-sp4"
                }
            ],
            "source": "CPE_STRING"
        }
    ]
}
References

Affected packages

Git / github.com/lighttpd/lighttpd1.4

Affected ranges

Type
GIT
Repo
https://github.com/lighttpd/lighttpd1.4
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
a2114a1c9b34a165cf69439e21a5d1429e252554
Fixed
2105dae0f9d7a964375ce681e53cb165375f84c1
Database specific 
{
    "cpe": "cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.4.50"
        }
    ],
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

lighttpd-1.*
lighttpd-1.3.11
lighttpd-1.3.12
lighttpd-1.3.13
lighttpd-1.3.14
lighttpd-1.3.15
lighttpd-1.3.16
lighttpd-1.4.1
lighttpd-1.4.2
lighttpd-1.4.25
lighttpd-1.4.26
lighttpd-1.4.27
lighttpd-1.4.28
lighttpd-1.4.29
lighttpd-1.4.3
lighttpd-1.4.30
lighttpd-1.4.31
lighttpd-1.4.32
lighttpd-1.4.33
lighttpd-1.4.34
lighttpd-1.4.35
lighttpd-1.4.36
lighttpd-1.4.36--rc1
lighttpd-1.4.37
lighttpd-1.4.38
lighttpd-1.4.39
lighttpd-1.4.4
lighttpd-1.4.40
lighttpd-1.4.41
lighttpd-1.4.42
lighttpd-1.4.43
lighttpd-1.4.44
lighttpd-1.4.45
lighttpd-1.4.46
lighttpd-1.4.47
lighttpd-1.4.48
lighttpd-1.4.49
lighttpd-1.4.5
lighttpd-1.4.6
lighttpd-1.4.7

Database specific

vanir_signatures_modified 
"2026-07-09T00:59:11Z"
vanir_signatures 
[
    {
        "digest": {
            "function_hash": "149042138735570835025939466017948242542",
            "length": 1029.0
        },
        "signature_version": "v1",
        "signature_type": "Function",
        "target": {
            "file": "src/mod_alias.c",
            "function": "PHYSICALPATH_FUNC"
        },
        "deprecated": false,
        "id": "CVE-2018-19052-1be13382",
        "source": "https://github.com/lighttpd/lighttpd1.4/commit/2105dae0f9d7a964375ce681e53cb165375f84c1"
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "303192333452448327106390395563064620760",
                "80679466272643474847981161116281953383",
                "208143731090529638039435268477316973998"
            ]
        },
        "signature_version": "v1",
        "signature_type": "Line",
        "target": {
            "file": "src/mod_alias.c"
        },
        "deprecated": false,
        "id": "CVE-2018-19052-387c5170",
        "source": "https://github.com/lighttpd/lighttpd1.4/commit/2105dae0f9d7a964375ce681e53cb165375f84c1"
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-19052.json"