MGASA-2022-0335

Dashboard / Vulnerabilities / MGASA-2022-0335

MGASA-2022-0335

Summary: Updated libtar packages fix security vulnerability

Details: 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. (CVE-2021-33643) 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. (CVE-2021-33644) The th_read() function doesn't free a variable t->th_buf.gnu_longlink after allocating memory, which may cause a memory leak. (CVE-2021-33645) The th_read() function doesn't free a variable t->th_buf.gnu_longname after allocating memory, which may cause a memory leak. (CVE-2021-33646)

References: https://advisories.mageia.org/MGASA-2022-0335.html, https://bugs.mageia.org/show_bug.cgi?id=30821, https://lists.fedoraproject.org/archives/list/[email protected]/thread/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/