All errata/p10_e2k/ALT-PU-2023-7713-1
ALT-PU-2023-7713-1

Package update libtar in branch p10_e2k

Version1.2.20-alt4.git.6d0ab4c
Task#0
Published2023-11-30
Max severityCRITICAL
Severity:

Closed issues (4)

CVE-2021-33643
CRITICAL9.1

An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.

Published: 2022-08-10Modified: 2025-11-03
CVSS 3.xCRITICAL 9.1
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
References
CVE-2021-33644
HIGH8.1

An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longname, causing an out-of-bounds read.

Published: 2022-08-10Modified: 2025-11-03
CVSS 3.xHIGH 8.1
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
References
CVE-2021-33645
HIGH7.5

The th_read() function doesn’t free a variable t->th_buf.gnu_longlink after allocating memory, which may cause a memory leak.

Published: 2022-08-10Modified: 2025-11-03
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
CVE-2021-33646
HIGH7.5

The th_read() function doesn’t free a variable t->th_buf.gnu_longname after allocating memory, which may cause a memory leak.

Published: 2022-08-10Modified: 2025-11-03
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References