CVE-2020-24334
| Summary |
The code that processes DNS responses in uIP through 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds read and Denial-of-Service in resolv.c.
|
| Publication Date |
Dec. 12, 2020, 8:15 a.m. |
| Registration Date |
Jan. 26, 2021, 11:55 a.m. |
| Last Update |
Nov. 21, 2024, 2:14 p.m. |
|
CVSS3.1 : HIGH
|
| スコア |
8.2
|
| Vector |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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) |
低 |
| 可用性への影響(A) |
高 |
|
CVSS2.0 : MEDIUM
|
| Score |
6.4
|
| Vector |
AV:N/AC:L/Au:N/C:N/I:P/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) |
低 |
| 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
|
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:uip_project:uip:*:*:*:*:*:*:*:* |
|
1.0 |
|
|
| execution environment |
| 1 |
cpe:2.3:o:contiki-ng:contiki-ng:-:*:*:*:*:*:*:* |
| 2 |
cpe:2.3:o:contiki-os:contiki:-:*:*:*:*:*:*:* |
Related information, measures and tools
Common Vulnerabilities List