CVE-2021-33640
| Summary |
After tar_close(), libtar.c releases the memory pointed to by pointer t. After tar_close() is called in the list() function, it continues to use pointer t: free_longlink_longname(t->th_buf) . As a result, the released memory is used (use-after-free).
|
| Publication Date |
Dec. 20, 2022, 1:15 a.m. |
| Registration Date |
Dec. 20, 2022, 10 a.m. |
| Last Update |
Nov. 21, 2024, 3:09 p.m. |
|
CVSS3.1 : CRITICAL
|
| スコア |
9.8
|
| Vector |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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) |
高 |
| 完全性への影響(I) |
高 |
| 可用性への影響(A) |
高 |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:huawei:openeuler:20.03:sp2:*:*:lts:*:*:* |
|
|
|
|
| cpe:2.3:o:huawei:openeuler:20.03:sp1:*:*:lts:*:*:* |
|
|
|
|
| cpe:2.3:o:huawei:openeuler:22.03:*:*:*:lts:*:*:* |
|
|
|
|
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
|
|
|
|
Related information, measures and tools
Common Vulnerabilities List