#VU11320 Improper authentication in memcached - CVE-2013-7239

Vulnerability identifier: #VU11320

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-7239

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
memcached
Server applications / Web servers

Vendor: Memcached

Description
The vulnerability allows a remote attacker to bypass authentication on the target system.

The weakness exists due to allowing wrong credentials access. A remote attacker can send an invalid request with SASL credentials, then send another request with incorrect SASL credentials and bypass authentication.

Mitigation
Update to version 1.4.17.

Vulnerable software versions

memcached: 1.4.0 - 1.4.16

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External links
https://seclists.org/oss-sec/2013/q4/572

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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.