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Huawei EulerOS: CVE-2021-33640: libtar security update

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Huawei EulerOS: CVE-2021-33640: libtar security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/19/2022
Created
03/10/2023
Added
03/09/2023
Modified
03/09/2023

Description

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).

Solution(s)

  • huawei-euleros-2_0_sp9-upgrade-libtar-help

References

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