Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-21309 |
CWE-ID | CWE-190 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
redis (Alpine package) Operating systems & Components / Operating system package or component |
Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU50853
Risk: High
CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-21309
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow on 32-bit systems. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsredis (Alpine package): 4.0.6-r0 - 6.0.10-r0
CPE2.3https://git.alpinelinux.org/aports/commit/?id=1522534fa2acf88bc9f48ae6aa58c641b8e52d42
https://git.alpinelinux.org/aports/commit/?id=b1abf3ba2832fa75a553a1900336a91f5d41f019
https://git.alpinelinux.org/aports/commit/?id=a980b7f2ce15449f497420cbcad7d65c2f16b5f8
https://git.alpinelinux.org/aports/commit/?id=a793772e96fbd253d779a2b4c3fa1bbacdb3f50b
https://git.alpinelinux.org/aports/commit/?id=23c8f9b26a2c9dc5503f23898dbd2af11b4242be
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.