Related Vulnerabilities: CVE-2021-38185  

GNU cpio through 2.13 allows attackers to execute arbitrary code via a crafted pattern file, because of a dstring.c ds_fgetstr integer overflow that triggers an out-of-bounds heap write. NOTE: it is unclear whether there are common cases where the pattern file, associated with the -E option, is untrusted data.

Severity Medium

Remote No

Type Arbitrary command execution

Description

GNU cpio through 2.13 allows attackers to execute arbitrary code via a crafted pattern file, because of a dstring.c ds_fgetstr integer overflow that triggers an out-of-bounds heap write. NOTE: it is unclear whether there are common cases where the pattern file, associated with the -E option, is untrusted data.

AVG-2262 cpio 2.13-2 Medium Vulnerable

https://lists.gnu.org/archive/html/bug-cpio/2021-08/msg00000.html
https://lists.gnu.org/archive/html/bug-cpio/2021-08/pdfxOgaWPRm0N.pdf
https://git.savannah.gnu.org/cgit/cpio.git/commit/?id=dd96882877721703e19272fe25034560b794061b