| Summary | In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit. |
|---|---|
| Publication Date | Aug. 22, 2020, 6:15 a.m. |
| Registration Date | Jan. 26, 2021, 12:02 p.m. |
| Last Update | Nov. 21, 2024, 2:39 p.m. |
| CVSS3.1 : HIGH | |
| スコア | 7.5 |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 攻撃元区分(AV) | ネットワーク |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃に必要な特権レベル(PR) | 不要 |
| 利用者の関与(UI) | 不要 |
| 影響の想定範囲(S) | 変更なし |
| 機密性への影響(C) | なし |
| 完全性への影響(I) | なし |
| 可用性への影響(A) | 高 |
| CVSS2.0 : MEDIUM | |
| Score | 5.0 |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| 攻撃元区分(AV) | ネットワーク |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃前の認証要否(Au) | 不要 |
| 機密性への影響(C) | なし |
| 完全性への影響(I) | なし |
| 可用性への影響(A) | 低 |
| Get all privileges. | いいえ |
| Get user privileges | いいえ |
| Get other privileges | いいえ |
| User operation required | いいえ |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | 9.17.0 | 9.17.3 | |||
| cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | 9.15.6 | 9.16.5 | |||
| Configuration2 | or higher | or less | more than | less than | |
| cpe:2.3:a:isc:bind:9.11.3:s1:*:*:supported_preview:*:*:* | |||||
| cpe:2.3:a:isc:bind:9.9.12:s1:*:*:supported_preview:*:*:* | |||||
| cpe:2.3:a:isc:bind:9.9.13:s1:*:*:supported_preview:*:*:* | |||||
| cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:* | |||||
| Configuration3 | or higher | or less | more than | less than | |
| cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* | |||||
| Configuration4 | or higher | or less | more than | less than | |
| cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:* | |||||
| Configuration5 | or higher | or less | more than | less than | |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | |||||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | |||||
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | |||||