CVE-2018-8777

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Source
https://cve.org/CVERecord?id=CVE-2018-8777
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8777.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-8777
Downstream
Related
Published
2018-04-03T22:29:00.710Z
Modified
2026-07-08T05:54:39.377377877Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker can pass a large HTTP request with a crafted header to WEBrick server or a crafted body to WEBrick server/handler and cause a denial of service (memory consumption).

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING",
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
                {
                    "introduced": "14.04"
                },
                {
                    "last_affected": "14.04"
                },
                {
                    "introduced": "16.04"
                },
                {
                    "last_affected": "16.04"
                },
                {
                    "introduced": "17.10"
                },
                {
                    "last_affected": "17.10"
                }
            ]
        },
        {
            "extracted_events": [
                {
                    "introduced": "7.0"
                },
                {
                    "last_affected": "7.0"
                },
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                },
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "debian:debian_linux",
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ]
        },
        {
            "extracted_events": [
                {
                    "introduced": "6.0"
                },
                {
                    "last_affected": "6.0"
                },
                {
                    "introduced": "7.0"
                },
                {
                    "last_affected": "7.0"
                },
                {
                    "introduced": "7.4"
                },
                {
                    "last_affected": "7.4"
                },
                {
                    "introduced": "7.5"
                },
                {
                    "last_affected": "7.5"
                },
                {
                    "introduced": "7.6"
                },
                {
                    "last_affected": "7.6"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "redhat:enterprise_linux",
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*"
            ]
        }
    ]
}
References

Affected packages

Git / github.com/ruby/ruby

Affected ranges

Type
GIT
Repo
https://github.com/ruby/ruby
Events
Introduced
7393bf6a5cfff63683f36535e293caaa0d4c5be0
Fixed
933bb2b8b57c48dc664fce6d752670e6521a4141
Introduced
d40ea2afa6ff5a6e5befcf342fb7b6dc58796b20
Fixed
9bfe7fc5cb457c7bc8df96115ee70b9035f5d885
Introduced
d4bb726b713658f56e630b6cf817a0155b6f390e
Fixed
a8197e08f58c5f2e6d32a774866e0e0d58749911
Introduced
4e0a512972cdcbfcd5279f1a2a81ba342ed75b6e
Fixed
85883dc393f60adc3043d28899eff3f1ce53b4a5
Introduced
ce0e3fc1b10d1f5c5ad6bc31ba344904345468a2
Last affected
ce0e3fc1b10d1f5c5ad6bc31ba344904345468a2
Database specific 
{
    "source": [
        "CPE_RANGE",
        "CPE_STRING"
    ],
    "cpe": [
        "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:ruby-lang:ruby:2.6.0:preview1:*:*:*:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "2.2.0"
        },
        {
            "fixed": "2.2.10"
        },
        {
            "introduced": "2.3.0"
        },
        {
            "fixed": "2.3.7"
        },
        {
            "introduced": "2.4.0"
        },
        {
            "fixed": "2.4.4"
        },
        {
            "introduced": "2.5.0"
        },
        {
            "fixed": "2.5.1"
        },
        {
            "introduced": "2.6.0-preview1"
        },
        {
            "last_affected": "2.6.0-preview1"
        }
    ]
}

Affected versions

2.*
2.6.0-preview1
Other
v2_6_0_preview1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8777.json"