CVE-2020-2892

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Source
https://cve.org/CVERecord?id=CVE-2020-2892
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-2892.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-2892
Downstream
Related
Published
2020-04-15T14:15:34.107Z
Modified
2026-03-10T23:18:42.061804Z
Severity
  • 4.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.19 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

References

Affected packages

Git / github.com/mysql/mysql-server

Affected ranges

Type
GIT
Repo
https://github.com/mysql/mysql-server
Events
Introduced
270fd3411e3d671a73ed9725940a30080f59ce6d
Fixed
ea7d2e2d16ac03afdd9cb72a972a95981107bf51
Database specific 
{
    "versions": [
        {
            "introduced": "8.0.0"
        },
        {
            "fixed": "8.0.19"
        }
    ]
}

Affected versions

mysql-5.*
mysql-5.5.52
mysql-5.5.53
mysql-5.5.54
mysql-5.5.55
mysql-5.5.56
mysql-5.5.57
mysql-5.5.58
mysql-5.5.59
mysql-5.5.60
mysql-5.5.61
mysql-5.5.62
mysql-5.5.63
mysql-5.6.33
mysql-5.6.34
mysql-5.6.35
mysql-5.6.36
mysql-5.6.37
mysql-5.6.38
mysql-5.6.39
mysql-5.6.40
mysql-5.6.41
mysql-5.6.42
mysql-5.6.43
mysql-5.6.45
mysql-5.6.46
mysql-5.7-22-ndb-7.6.6
mysql-5.7.15
mysql-5.7.16
mysql-5.7.17
mysql-5.7.18
mysql-5.7.19
mysql-5.7.20
mysql-5.7.21
mysql-5.7.22
mysql-5.7.24
mysql-5.7.25
mysql-5.7.26
mysql-5.7.27
mysql-5.7.28
mysql-8.*
mysql-8.0.0
mysql-8.0.1
mysql-8.0.11
mysql-8.0.12
mysql-8.0.13
mysql-8.0.14
mysql-8.0.15
mysql-8.0.16
mysql-8.0.17
mysql-8.0.18
mysql-8.0.2
mysql-8.0.3
mysql-8.0.4
mysql-cluster-7.*
mysql-cluster-7.2.24
mysql-cluster-7.2.25
mysql-cluster-7.2.26
mysql-cluster-7.2.27
mysql-cluster-7.2.28
mysql-cluster-7.2.29
mysql-cluster-7.2.30
mysql-cluster-7.2.31
mysql-cluster-7.2.32
mysql-cluster-7.2.33
mysql-cluster-7.2.34
mysql-cluster-7.2.35
mysql-cluster-7.2.37
mysql-cluster-7.2.38
mysql-cluster-7.2.39
mysql-cluster-7.3.13
mysql-cluster-7.3.14
mysql-cluster-7.3.15
mysql-cluster-7.3.16
mysql-cluster-7.3.17
mysql-cluster-7.3.18
mysql-cluster-7.3.19
mysql-cluster-7.3.20
mysql-cluster-7.3.21
mysql-cluster-7.3.22
mysql-cluster-7.3.23
mysql-cluster-7.3.24
mysql-cluster-7.3.25
mysql-cluster-7.3.26
mysql-cluster-7.3.27
mysql-cluster-7.4.11
mysql-cluster-7.4.12
mysql-cluster-7.4.13
mysql-cluster-7.4.14
mysql-cluster-7.4.15
mysql-cluster-7.4.16
mysql-cluster-7.4.17
mysql-cluster-7.4.18
mysql-cluster-7.4.19
mysql-cluster-7.4.20
mysql-cluster-7.4.21
mysql-cluster-7.4.23
mysql-cluster-7.4.24
mysql-cluster-7.4.25
mysql-cluster-7.4.26
mysql-cluster-7.5.1
mysql-cluster-7.5.10
mysql-cluster-7.5.11
mysql-cluster-7.5.12
mysql-cluster-7.5.13
mysql-cluster-7.5.14
mysql-cluster-7.5.15
mysql-cluster-7.5.16
mysql-cluster-7.5.2
mysql-cluster-7.5.3
mysql-cluster-7.5.4
mysql-cluster-7.5.5
mysql-cluster-7.5.6
mysql-cluster-7.5.7
mysql-cluster-7.5.8
mysql-cluster-7.5.9
mysql-cluster-7.6.10
mysql-cluster-7.6.11
mysql-cluster-7.6.12
mysql-cluster-7.6.2
mysql-cluster-7.6.3
mysql-cluster-7.6.4
mysql-cluster-7.6.5
mysql-cluster-7.6.6
mysql-cluster-7.6.7
mysql-cluster-7.6.8
mysql-cluster-7.6.9
mysql-cluster-8.*
mysql-cluster-8.0.16
mysql-cluster-8.0.18

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-2892.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "function_hash": "268414797295401743171423323680366405200",
            "length": 623.0
        },
        "source": "https://github.com/mysql/mysql-server/commit/ea7d2e2d16ac03afdd9cb72a972a95981107bf51",
        "signature_type": "Function",
        "id": "CVE-2020-2892-7ba491c1",
        "target": {
            "file": "storage/innobase/lob/lob0lob.cc",
            "function": "ref_t::mark_not_partially_updatable"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "178328081134631892205165699778675444929",
                "297069519883944742228860306989667015308",
                "271109606063349901820849047573123524993"
            ]
        },
        "source": "https://github.com/mysql/mysql-server/commit/ea7d2e2d16ac03afdd9cb72a972a95981107bf51",
        "signature_type": "Line",
        "id": "CVE-2020-2892-85335a60",
        "target": {
            "file": "storage/innobase/lob/lob0lob.cc"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "function_hash": "332510893913262879819453630442491115668",
            "length": 3285.0
        },
        "source": "https://github.com/mysql/mysql-server/commit/ea7d2e2d16ac03afdd9cb72a972a95981107bf51",
        "signature_type": "Function",
        "id": "CVE-2020-2892-ba81527a",
        "target": {
            "file": "storage/innobase/lob/lob0purge.cc",
            "function": "purge"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "180778886619526508923404944111269113775",
                "147316919537316689965784322676330417174",
                "5239905161954509642413945198745085468",
                "17024492428593150706336629452115852309",
                "104965365280811678162014628868762321369",
                "282655202815067031575135368237605253571",
                "200985396871617803559027719623855045437"
            ]
        },
        "source": "https://github.com/mysql/mysql-server/commit/ea7d2e2d16ac03afdd9cb72a972a95981107bf51",
        "signature_type": "Line",
        "id": "CVE-2020-2892-d821719f",
        "target": {
            "file": "storage/innobase/lob/lob0purge.cc"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "283235786766717374315559903386315292221",
                "192355070266660537871885306096569471401",
                "43630985206282853845868250559889278152",
                "172939939025117458516457434116810536184"
            ]
        },
        "source": "https://github.com/mysql/mysql-server/commit/ea7d2e2d16ac03afdd9cb72a972a95981107bf51",
        "signature_type": "Line",
        "id": "CVE-2020-2892-e9f11d86",
        "target": {
            "file": "storage/innobase/include/lob0lob.h"
        }
    }
]
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "30"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "31"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "32"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "7.3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "9.5"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "19.10"
            }
        ]
    }
]