| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE ID | CVE-2020-14147 |
| CWE ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
redis (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
This security advisory describes one medium risk vulnerability.
Risk: Medium
CVSSv3: 6.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C] [PCI]
CVE-ID: CVE-2020-14147
CWE-ID:
CWE-20 - Improper Input Validation
Exploit availability: No
DescriptionThe vulnerability allows context-dependent attackers with permission to run Lua code in a Redis session to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (memory corruption and application crash) or possibly bypass intended sandbox restrictions via a large number, which triggers a stack-based buffer overflow.
MitigationInstall update from vendor's website.
Vulnerable software versions
redis (Alpine package)
Alpine Linux 3.12
5.0.8-r0, 5.0.4-r0, 5.0.9-r0
https://git.alpinelinux.org/aports/commit/?id=4afde10a9cce61d231ba9bd8e7ee3767ac5729cf
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.