Advisory ROSA-SA-2023-2150

Software: libtar 1.2.20
OS: ROSA Virtualization 2.1

package_evr_string: 1.2.20

CVE-ID: CVE-2021-33643
BDU-ID: None
CVE-Crit: CRITICAL
CVE-DESC: An attacker who sends a created tar file with a size in the header structure equal to 0 could cause a call to malloc(0) for the gnu_longlink variable, resulting in an out-of-bounds read.
CVE-STATUS: Fixed
CVE-REV: Run the yum update libtar command to close it

CVE-ID: CVE-2021-33644
BDU-ID: None
CVE-Crit: HIGH
CVE-DESC: An attacker who sends a created tar file with a size in the header structure equal to 0 could cause a call to malloc(0) for the gnu_longname variable, resulting in an out-of-bounds read.
CVE-STATUS: Fixed
CVE-REV: Run the yum update libtar command to close it

CVE-ID: CVE-2021-33645
BDU-ID: None
CVE-Crit: HIGH
CVE-DESC: The th_read() function does not free the t->th_buf.gnu_longlink variable after memory allocation, which may cause a memory leak.
CVE-STATUS: Fixed
CVE-REV: Run the yum update libtar command to close it

CVE-ID: CVE-2021-33646
BDU-ID: None
CVE-Crit: HIGH
CVE-DESC: The th_read() function does not free the t->th_buf.gnu_longname variable after memory allocation, which may cause a memory leak.
CVE-STATUS: Fixed
CVE-REV: Run the yum update libtar command to close it