#VU33828 Input validation error in Redis - CVE-2015-4335

Vulnerability identifier: #VU33828

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2015-4335

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Redis
Server applications / Database software

Vendor: Redis Labs

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 - 2.8.20, 3.0.0 - 3.0.1

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

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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.