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).
References
Configurations
History
07 Nov 2023, 03:35
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
|
29 Dec 2022, 18:54
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* cpe:2.3:o:huawei:openeuler:20.03:sp1:*:*:lts:*:*:* cpe:2.3:o:huawei:openeuler:20.03:sp2:*:*:lts:*:*:* cpe:2.3:o:huawei:openeuler:22.03:*:*:*:lts:*:*:* |
|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 9.8 |
| First Time |
Huawei
Fedoraproject Fedoraproject fedora Huawei openeuler |
|
| CWE | CWE-416 | |
| References | (MISC) https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-33640&packageName=libtar - Vendor Advisory | |
| References | (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/ - Mailing List, Third Party Advisory | |
| References | (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/ - Mailing List, Third Party Advisory |
28 Dec 2022, 04:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
19 Dec 2022, 16:52
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2022-12-19 16:15
Updated : 2023-12-10 14:48
NVD link : CVE-2021-33640
Mitre link : CVE-2021-33640
CVE.ORG link : CVE-2021-33640
JSON object : View
Products Affected
huawei
- openeuler
fedoraproject
- fedora
CWE
CWE-416
Use After Free