Stack-based buffer overflow in redis (Alpine package)

1) Stack-based buffer overflow

EUVDB-ID: #VU32357

Risk: Medium

CVSSv3.1: 6.5 [AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-8080

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the getnum function in lua_struct.c when processing a large number, which triggers a stack-based buffer overflow. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

redis (Alpine package): 2.8.17-r0 - 2.8.21-r0

External links

http://git.alpinelinux.org/aports/commit/?id=1dd896feae826bd48b11a268fd8837461aa2203c
http://git.alpinelinux.org/aports/commit/?id=4f8e1f21fc511a5a96e522ad8e013ac91cfb1154
http://git.alpinelinux.org/aports/commit/?id=0d7b432122a8cd7419df5dcb50aaae1ad51f33c8
http://git.alpinelinux.org/aports/commit/?id=0f1793b2ec36d52a44289dca84e4af6671ed30d9
http://git.alpinelinux.org/aports/commit/?id=b11164993a3e522cb2dca0a68037ae342434c534

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.