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
ALPINE (1)
BELL (1)
CLEANSTART (1)
DLA (3)
DSA (1)
MGASA (1)
openSUSE (1)
RHSA (7)
SUSE (2)
UBUNTU (1)
Related
openSUSE (1)
SUSE (2)
Published
2018-04-03T22:29:00Z
Modified
2026-07-08T05:54:39Z
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:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "14.04"
                },
                {
                    "last_affected":  "14.04"
                },
                {
                    "introduced":  "16.04"
                },
                {
                    "last_affected":  "16.04"
                },
                {
                    "introduced":  "17.10"
                },
                {
                    "last_affected":  "17.10"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "canonical:ubuntu_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":  "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: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:*:*:*:*:*:*:*"
            ],
            "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"
        }
    ]
}
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
Show details 
{
    "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"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "CPE_STRING"
    ]
}

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"