#VU32357 Stack-based buffer overflow in Redis - CVE-2015-8080

Vulnerability identifier: #VU32357

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

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

---

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

Is there known malware, which exploits this vulnerability?

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