E2fsprogs contains an exploitable code execution vulnerability in its directory rehashing functionality. A specially crafted ext4 directory can cause an out-of-bounds write on the stack, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.Versions 1.43.3 – 1.45.4 are affected by this vulnerability and an update is available for affected customers. The following SNORT rules will detect exploitation attempts: 52570, 52571 and 52570.”]
Source: https://blog.talosintelligence.com/2020/01/e2fsprogs-remote-code-execution-vuln-jan-2020.html

