zfs update for Lua
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-24370 |
| CWE-ID | CWE-191 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
zfs Other software / Other software solutions |
| Vendor | openzfs |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Integer underflow
EUVDB-ID: #VU45992
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-24370
CWE-ID:
CWE-191 - Integer underflow
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform service disruption.
ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).
MitigationInstall update from vendor's website.
Vulnerable software versionszfs: 2.0.0 - 2.2.99
External linkshttp://github.com/openzfs/zfs/releases/tag/zfs-2.2.3
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
