Vulnerability identifier: #VU32357

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Redis
Server applications / Database software

Vendor: Redis Labs

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
Update to version 2.8.24.

Vulnerable software versions

Redis: 2.8.0 - 2.8.23

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External links
http://lists.opensuse.org/opensuse-updates/2016-05/msg00126.html
http://rhn.redhat.com/errata/RHSA-2016-0095.html
http://rhn.redhat.com/errata/RHSA-2016-0096.html
http://rhn.redhat.com/errata/RHSA-2016-0097.html
http://www.debian.org/security/2015/dsa-3412
http://www.openwall.com/lists/oss-security/2015/11/06/2
http://www.openwall.com/lists/oss-security/2015/11/06/4
http://www.securityfocus.com/bid/77507
http://github.com/antirez/redis/issues/2855
http://raw.githubusercontent.com/antirez/redis/2.8/00-RELEASENOTES
http://raw.githubusercontent.com/antirez/redis/3.0/00-RELEASENOTES
http://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.