#VU11124 Integer overflow in memcached - CVE-2018-1000127

Vulnerability identifier: #VU11124

Vulnerability risk: Low

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

CVE-ID: CVE-2018-1000127

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
memcached
Server applications / Web servers

Vendor: Memcached

Description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the items.c:item_free() function due to improper bounds checks. A remote attacker can trigger integer overflow and cause the service to crash.

Mitigation
Update to version 1.4.37 or later.

Vulnerable software versions

memcached: 1.4 - 1.4.36

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External links
https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00

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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.