CVE-2020-8616

Source
https://cve.org/CVERecord?id=CVE-2020-8616
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8616.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-8616
Downstream
Related
Published
2020-05-19T14:15:11.877Z
Modified
2026-04-02T06:15:32.130031Z
Severity
  • 8.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an attempt to process the referral. This has at least two potential effects: The performance of the recursing server can potentially be degraded by the additional work required to perform these fetches, and The attacker can exploit this behavior to use the recursing server as a reflector in a reflection attack with a high amplification factor.

References

Affected packages

Git / gitlab.isc.org/isc-projects/bind9

Affected ranges

Type
GIT
Repo
https://gitlab.isc.org/isc-projects/bind9
Events
Introduced
Last affected
Introduced
Last affected
Introduced
Last affected
Introduced
Last affected
Introduced
Last affected
Introduced
Last affected
Introduced
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Database specific
{
    "versions": [
        {
            "introduced": "9.0.0"
        },
        {
            "last_affected": "9.11.18"
        },
        {
            "introduced": "9.12.0"
        },
        {
            "last_affected": "9.12.4"
        },
        {
            "introduced": "9.13.0"
        },
        {
            "last_affected": "9.13.7"
        },
        {
            "introduced": "9.14.0"
        },
        {
            "last_affected": "9.14.11"
        },
        {
            "introduced": "9.15.0"
        },
        {
            "last_affected": "9.15.6"
        },
        {
            "introduced": "9.16.0"
        },
        {
            "last_affected": "9.16.2"
        },
        {
            "introduced": "9.17.0"
        },
        {
            "last_affected": "9.17.1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "9.12.4-p1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "9.9.3-s1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "9.10.5-s1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "9.10.7-s1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "9.11.3-s1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "9.11.6-s1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "9.0"
        }
    ]
}

Affected versions

v9.*
v9.0.0
v9.0.0a1
v9.0.0a2
v9.0.0a3
v9.0.0b1
v9.0.0b2
v9.0.0b3
v9.0.0b4
v9.0.0b5
v9.0.0rc1
v9.0.0rc2
v9.0.0rc3
v9.0.0rc4
v9.0.0rc5
v9.0.0rc6
v9.0.1
v9.0.1rc1
v9.0.1rc2
v9.1.0
v9.1.0b1
v9.1.0b2
v9.1.0b3
v9.1.0rc1
v9.1.1
v9.1.1-P1
v9.1.1-P2
v9.1.1-P3
v9.1.1-P4
v9.1.1rc1
v9.1.1rc2
v9.1.1rc3
v9.1.1rc4
v9.1.1rc5
v9.1.1rc6
v9.1.1rc7
v9.1.2
v9.1.2rc1
v9.1.3
v9.1.3-P1
v9.1.3-P2
v9.1.3-P3
v9.1.3rc1
v9.1.3rc2
v9.1.3rc3
v9.10.0
v9.10.0-P1
v9.10.0-P2
v9.10.0a1
v9.10.0a2
v9.10.0b1
v9.10.0b2
v9.10.0rc1
v9.10.0rc2
v9.10.1
v9.10.1-P1
v9.10.1-P2
v9.10.1b1
v9.10.1b2
v9.10.1rc1
v9.10.1rc2
v9.10.2
v9.10.2-P1
v9.10.2-P2
v9.10.2-P3
v9.10.2-P4
v9.10.2b1
v9.10.2rc1
v9.10.2rc2
v9.10.3
v9.10.3-P2
v9.10.3-P3
v9.10.3-P4
v9.10.3b1
v9.10.3rc1
v9.10.4
v9.10.4-P1
v9.10.4-P2
v9.10.4-P3
v9.10.4-P4
v9.10.4-P5
v9.10.4-P6
v9.10.4-P8
v9.10.4b1
v9.10.4b2
v9.10.4b3
v9.10.4rc1
v9.10.5b1
v9.11.0
v9.11.0-P1
v9.11.0-P2
v9.11.0-P3
v9.11.0-P5
v9.11.0a1
v9.11.0a2
v9.11.0a3
v9.11.0b1
v9.11.0b2
v9.11.0b3
v9.11.0rc1
v9.11.0rc2
v9.11.0rc3
v9.11.1
v9.11.1-P1
v9.11.1-P2
v9.11.1-P3
v9.11.1b1
v9.11.1rc1
v9.11.1rc2
v9.11.1rc3
v9.11.2
v9.11.2-P1
v9.11.2b1
v9.11.2rc1
v9.11.2rc2
v9.11.3b1
v9.12.0
v9.12.0a0
v9.12.0a1
v9.12.0b1
v9.12.0b2
v9.12.0rc1
v9.12.0rc2
v9.12.0rc3
v9.12.1
v9.12.1-P2
v9.12.1b1
v9.12.1rc1
v9.12.2
v9.12.2-P1
v9.12.2-P2
v9.12.2rc1
v9.12.2rc2
v9.12.3
v9.12.3-P1
v9.12.3-P4
v9.12.3rc1
v9.12.4
v9.12.4rc1
v9.13.0
v9.13.1
v9.13.2
v9.13.3
v9.13.4
v9.13.5
v9.13.5-W1
v9.13.6
v9.13.7
v9.14.0
v9.15.0
v9.15.1
v9.15.2
v9.15.3
v9.15.4
v9.15.5
v9.15.6
v9.16.0
v9.16.1
v9.16.10
v9.16.11
v9.16.12
v9.16.13
v9.16.15
v9.16.16
v9.16.17
v9.16.18
v9.16.19
v9.16.2
v9.16.20
v9.16.21
v9.16.22
v9.16.23
v9.16.24
v9.16.25
v9.16.26
v9.16.27
v9.16.28
v9.16.29
v9.16.3
v9.16.30
v9.16.31
v9.16.32
v9.16.33
v9.16.34
v9.16.35
v9.16.36
v9.16.37
v9.16.38
v9.16.39
v9.16.4
v9.16.40
v9.16.41
v9.16.42
v9.16.43
v9.16.44
v9.16.45
v9.16.48
v9.16.49
v9.16.5
v9.16.50
v9.16.6
v9.16.7
v9.16.8
v9.16.9
v9.17.0
v9.2.0
v9.2.0-P1
v9.2.0-P2
v9.2.0a1
v9.2.0a2
v9.2.0a3
v9.2.0b1
v9.2.0b2
v9.2.0rc1
v9.2.0rc10
v9.2.0rc2
v9.2.0rc3
v9.2.0rc4
v9.2.0rc5
v9.2.0rc6
v9.2.0rc7
v9.2.0rc8
v9.2.0rc9
v9.2.1
v9.2.1-P1
v9.2.1rc1
v9.2.1rc2
v9.2.2
v9.2.2-P1
v9.2.2-P2
v9.2.2-P3
v9.2.2rc1
v9.2.3
v9.2.3rc1
v9.2.3rc2
v9.2.3rc3
v9.2.3rc4
v9.2.4
v9.2.4rc1
v9.2.4rc2
v9.2.4rc3
v9.2.4rc4
v9.2.4rc5
v9.2.4rc6
v9.2.4rc7
v9.2.4rc8
v9.2.5
v9.2.5rc1
v9.2.6
v9.2.6-P1
v9.2.6-P2
v9.2.6b1
v9.2.6b2
v9.2.6rc1
v9.2.7
v9.2.7b1
v9.2.7rc1
v9.2.7rc2
v9.2.7rc3
v9.2.8
v9.2.8-P1
v9.2.9
v9.2.9b1
v9.2.9rc1
v9.3.0
v9.3.0rc1
v9.3.0rc2
v9.3.0rc3
v9.3.0rc4
v9.3.1
v9.3.1rc1
v9.3.2
v9.3.2-P1
v9.3.2-P2
v9.3.2b1
v9.3.2b2
v9.3.2rc1
v9.3.3
v9.3.3b1
v9.3.3rc1
v9.3.3rc2
v9.3.3rc3
v9.3.4
v9.3.4-P1
v9.3.5
v9.3.5-P1
v9.3.5-P2
v9.3.5-P2-W1
v9.3.5-P2-W2
v9.3.5b1
v9.3.5rc1
v9.3.5rc2
v9.3.6
v9.3.6-P1
v9.3.6-P2
v9.3.6b1
v9.3.6rc1
v9.4-ESV
v9.4-ESV-R1
v9.4-ESV-R2
v9.4-ESV-R3
v9.4-ESV-R4
v9.4-ESV-R4-P1
v9.4-ESV-R5
v9.4-ESV-R5-P1
v9.4-ESV-R5b1
v9.4-ESV-R5rc1
v9.4-ESVb1
v9.4-ESVrc1
v9.4.0
v9.4.0a1
v9.4.0a2
v9.4.0a3
v9.4.0a4
v9.4.0a5
v9.4.0a6
v9.4.0b1
v9.4.0b2
v9.4.0b3
v9.4.0b4
v9.4.0rc1
v9.4.0rc2
v9.4.1
v9.4.1-P1
v9.4.2
v9.4.2-P1
v9.4.2-P2
v9.4.2-P2-W1
v9.4.2-P2-W2
v9.4.2b1
v9.4.2rc1
v9.4.2rc2
v9.4.3
v9.4.3-P1
v9.4.3-P2
v9.4.3-P3
v9.4.3-P4
v9.4.3-P5
v9.4.3b1
v9.4.3b2
v9.4.3b3
v9.4.3rc1
v9.4.4b1
v9.5.0
v9.5.0-P1
v9.5.0-P2
v9.5.0-P2-W1
v9.5.0-P2-W2
v9.5.0a1
v9.5.0a2
v9.5.0a3
v9.5.0a4
v9.5.0a5
v9.5.0a6
v9.5.0a7
v9.5.0b1
v9.5.0b2
v9.5.0b3
v9.5.0rc1
v9.5.1
v9.5.1-P1
v9.5.1-P2
v9.5.1-P3
v9.5.1b1
v9.5.1b2
v9.5.1b3
v9.5.1rc1
v9.5.1rc2
v9.5.2
v9.5.2-P1
v9.5.2-P2
v9.5.2-P3
v9.5.2-P4
v9.5.2b1
v9.5.2rc1
v9.5.3b1
v9.5.3rc1
v9.6-ESV
v9.6-ESV-R1
v9.6-ESV-R10
v9.6-ESV-R10-P1
v9.6-ESV-R10b1
v9.6-ESV-R10rc1
v9.6-ESV-R10rc2
v9.6-ESV-R11
v9.6-ESV-R11b1
v9.6-ESV-R11rc1
v9.6-ESV-R11rc2
v9.6-ESV-R2
v9.6-ESV-R3
v9.6-ESV-R4
v9.6-ESV-R4-P1
v9.6-ESV-R4-P2
v9.6-ESV-R4-P3
v9.6-ESV-R5
v9.6-ESV-R5-P1
v9.6-ESV-R5b1
v9.6-ESV-R5rc1
v9.6-ESV-R6
v9.6-ESV-R6b1
v9.6-ESV-R6rc1
v9.6-ESV-R6rc2
v9.6-ESV-R7
v9.6-ESV-R7-P1
v9.6-ESV-R7-P2
v9.6-ESV-R7-P3
v9.6-ESV-R7-P4
v9.6-ESV-R8
v9.6-ESV-R8b1
v9.6-ESV-R9
v9.6-ESV-R9-P1
v9.6-ESV-R9b1
v9.6-ESV-R9b2
v9.6-ESV-R9rc1
v9.6-ESV-R9rc2
v9.6.0
v9.6.0-P1
v9.6.0a1
v9.6.0b1
v9.6.0rc1
v9.6.0rc2
v9.6.1
v9.6.1-P1
v9.6.1-P2
v9.6.1-P3
v9.6.1b1
v9.6.1rc1
v9.6.2
v9.6.2-P1
v9.6.2-P2
v9.6.2-P3
v9.6.2b1
v9.6.2rc1
v9.6.3
v9.6.3b1
v9.6.3rc1
v9.7.0
v9.7.0-P1
v9.7.0-P2
v9.7.0a1
v9.7.0a2
v9.7.0a3
v9.7.0b1
v9.7.0b2
v9.7.0b3
v9.7.0rc1
v9.7.0rc2
v9.7.1
v9.7.1-P1
v9.7.1-P2
v9.7.1b1
v9.7.1rc1
v9.7.2
v9.7.2-P1
v9.7.2-P2
v9.7.2-P3
v9.7.2b1
v9.7.2rc1
v9.7.3
v9.7.3-P1
v9.7.3-P2
v9.7.3-P3
v9.7.3b1
v9.7.3rc1
v9.7.4
v9.7.4-P1
v9.7.4b1
v9.7.4rc1
v9.7.5
v9.7.5-W1
v9.7.5b1
v9.7.5rc1
v9.7.5rc2
v9.7.6
v9.7.6-P1
v9.7.6-P2
v9.7.6-P3
v9.7.6-P4
v9.7.7
v9.7.7b1
v9.7.7rc1
v9.8.0
v9.8.0-P1
v9.8.0-P2
v9.8.0-P3
v9.8.0-P4
v9.8.0a1
v9.8.0b1
v9.8.0rc1
v9.8.1
v9.8.1-P1
v9.8.1b1
v9.8.1b2
v9.8.1b3
v9.8.1rc1
v9.8.2
v9.8.2-W1
v9.8.2b1
v9.8.2rc1
v9.8.2rc2
v9.8.3
v9.8.3-P1
v9.8.3-P2
v9.8.3-P3
v9.8.3-P4
v9.8.4
v9.8.4-P1
v9.8.4-P2
v9.8.4b1
v9.8.4rc1
v9.8.5
v9.8.5-P1
v9.8.5-P2
v9.8.5b1
v9.8.5b2
v9.8.5rc1
v9.8.5rc2
v9.8.6
v9.8.6-P1
v9.8.6-P2
v9.8.6b1
v9.8.6rc1
v9.8.6rc2
v9.8.7
v9.8.7-P1
v9.8.7-W1
v9.8.7b1
v9.8.7rc1
v9.8.7rc2
v9.8.8
v9.8.8b1
v9.8.8b2
v9.8.8rc1
v9.8.8rc2
v9.8.9-P2
v9.9-ESV-R10-P2
v9.9.0
v9.9.0-W1
v9.9.0a1
v9.9.0a2
v9.9.0a3
v9.9.0b1
v9.9.0b2
v9.9.0rc1
v9.9.0rc2
v9.9.0rc3
v9.9.0rc4
v9.9.1
v9.9.1-P1
v9.9.1-P2
v9.9.1-P3
v9.9.1-P4
v9.9.2
v9.9.2-P1
v9.9.2-P2
v9.9.2b1
v9.9.2rc1
v9.9.3b1

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8616.json"
unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.12.4-p2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.11.5-s3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.11.5-s5"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.11.7-s1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.11.8-s1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    }
]