Description (CNA)
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).
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| openEuler / openEuler 22.03 LTS | affected libtar 1.2.20-21 |
| openEuler / openEuler 20.03 LTS SP1 | affected libtar 1.2.20-19 |
| openEuler / openEuler 20.03 LTS SP3 | affected libtar 1.2.20-19 |
CWE
CWE-416
References
- https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-33640&packageName=libtar
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/
ADP enrichment
No English description supplied.
- https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-33640&packageName=libtar
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/
No English description supplied.
No references supplied.