Vulnerability identifier: #VU19168

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10193

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Redis
Server applications / Database software

Vendor: Salvatore Sanfilippo

Description

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

The vulnerability exists due to a boundary error when processing Redis hyperloglog data structure. A remote attacker can carefully corrupt hyperloglog using the SETRANGE command, 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 updates from vendor's website.

Vulnerable software versions

Redis: 3.2.0 - 5.0.3

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10193
http://raw.githubusercontent.com/antirez/redis/3.2/00-RELEASENOTES
http://raw.githubusercontent.com/antirez/redis/4.0/00-RELEASENOTES
http://raw.githubusercontent.com/antirez/redis/5.0/00-RELEASENOTES
http://seclists.org/bugtraq/2019/Jul/19

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.