Openatom: >> Openeuler >> 22.03 Security Vulnerabilities
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).
CVSS Score
6.2
EPSS Score
0.002
Published
2022-12-19
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.
CVSS Score
9.1
EPSS Score
0.002
Published
2022-08-10
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.
CVSS Score
8.1
EPSS Score
0.002
Published
2022-08-10
The th_read() function doesn’t free a variable t->th_buf.gnu_longlink after allocating memory, which may cause a memory leak.
CVSS Score
7.5
EPSS Score
0.002
Published
2022-08-10
The th_read() function doesn’t free a variable t->th_buf.gnu_longname after allocating memory, which may cause a memory leak.
CVSS Score
7.5
EPSS Score
0.002
Published
2022-08-10