Vulnerability Details : CVE-2020-8616

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.
Published 2020-05-19 14:15:12
Updated 2020-10-20 12:15:14
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-8616

Probability of exploitation activity in the next 30 days: 2.12%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 88 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2020-8616

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
[email protected]
8.6
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.9
4.0
[email protected]
8.6
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.9
4.0
[email protected]

CWE ids for CVE-2020-8616

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by: [email protected] (Primary)

References for CVE-2020-8616

Products affected by CVE-2020-8616

  • Debian » Debian Linux » Version: 9.0
    cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • Debian » Debian Linux » Version: 10.0
    cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • ISC » Bind
    Versions from including (>=) 9.15.0 and up to, including, (<=) 9.15.6
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
  • ISC » Bind
    Versions from including (>=) 9.13.0 and up to, including, (<=) 9.13.7
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
  • ISC » Bind
    Versions from including (>=) 9.0.0 and up to, including, (<=) 9.11.18
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
  • ISC » Bind
    Versions from including (>=) 9.12.0 and up to, including, (<=) 9.12.4
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
  • ISC » Bind
    Versions from including (>=) 9.17.0 and up to, including, (<=) 9.17.1
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
  • ISC » Bind
    Versions from including (>=) 9.14.0 and up to, including, (<=) 9.14.11
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
  • ISC » Bind
    Versions from including (>=) 9.16.0 and up to, including, (<=) 9.16.2
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
  • ISC » Bind » Version: 9.11.5 Update S5 Supported Preview Edition
    cpe:2.3:a:isc:bind:9.11.5:s5:*:*:supported_preview:*:*:*
  • ISC » Bind » Version: 9.11.5 Update S3 Supported Preview Edition
    cpe:2.3:a:isc:bind:9.11.5:s3:*:*:supported_preview:*:*:*
  • ISC » Bind » Version: 9.9.3 Update S1 Supported Preview Edition
    cpe:2.3:a:isc:bind:9.9.3:s1:*:*:supported_preview:*:*:*
  • ISC » Bind » Version: 9.10.7 Update S1 Supported Preview Edition
    cpe:2.3:a:isc:bind:9.10.7:s1:*:*:supported_preview:*:*:*
  • ISC » Bind » Version: 9.11.3 Update S1 Supported Preview Edition
    cpe:2.3:a:isc:bind:9.11.3:s1:*:*:supported_preview:*:*:*
  • ISC » Bind » Version: 9.11.7 Update S1 Supported Preview Edition
    cpe:2.3:a:isc:bind:9.11.7:s1:*:*:supported_preview:*:*:*
  • ISC » Bind » Version: 9.12.4 Update P1
    cpe:2.3:a:isc:bind:9.12.4:p1:*:*:*:*:*:*
  • ISC » Bind » Version: 9.10.5 Update S1 Supported Preview Edition
    cpe:2.3:a:isc:bind:9.10.5:s1:*:*:supported_preview:*:*:*
  • ISC » Bind » Version: 9.11.6 Update S1 Supported Preview Edition
    cpe:2.3:a:isc:bind:9.11.6:s1:*:*:supported_preview:*:*:*
  • ISC » Bind » Version: 9.12.4 Update P2
    cpe:2.3:a:isc:bind:9.12.4:p2:*:*:*:*:*:*
  • ISC » Bind » Version: 9.11.8 Update S1 Supported Preview Edition
    cpe:2.3:a:isc:bind:9.11.8:s1:*:*:supported_preview:*:*:*
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