This security advisory describes one low risk vulnerability.
CWE-787 - Out-of-bounds Write
The vulnerability allows a local user to escalate privileges on the vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in the quota file functionality. A local user can send a specially crafted xt4 partition, trigger out-of-bounds write on the heap and execute arbitrary code on the target system.
Note: An attacker can corrupt a partition to trigger this vulnerability.Mitigation
Install updates from vendor's website.Vulnerable software versions
E2fsprogs: 1.43.3, 1.43.4, 1.43.5, 1.43.6, 1.43.7, 1.43.8, 1.43.9, 1.44.0, 1.44.1, 1.44.2, 1.44.3, 1.44.4, 1.44.5, 1.44.6, 1.45.0, 1.45.1, 1.45.2, 1.45.3CPE
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.