Input validation error in Redis

1) Input validation error

EUVDB-ID: #VU33828

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-4335

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Redis before 2.8.21 and 3.x before 3.0.2 allows remote attackers to execute arbitrary Lua bytecode via the eval command.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Redis: 2.8.0 - 3.0.1

External links

http://benmmurphy.github.io/blog/2015/06/04/redis-eval-lua-sandbox-escape/
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162094.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162146.html
http://lists.opensuse.org/opensuse-updates/2015-10/msg00014.html
http://rhn.redhat.com/errata/RHSA-2015-1676.html
http://www.debian.org/security/2015/dsa-3279
http://www.openwall.com/lists/oss-security/2015/06/04/12
http://www.openwall.com/lists/oss-security/2015/06/04/8
http://www.openwall.com/lists/oss-security/2015/06/05/3
http://www.securityfocus.com/bid/75034
http://github.com/antirez/redis/commit/fdf9d455098f54f7666c702ae464e6ea21e25411
http://groups.google.com/forum/#!msg/redis-db/4Y6OqK8gEyk/Dg-5cejl-eUJ
http://security.gentoo.org/glsa/201702-16

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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