Vulnerability identifier: #VU4140
Vulnerability risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-122
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
memcached
Server applications /
Web servers
Vendor: Memcached
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists in the process_bin_sasl_auth() function due to integer overflow. A remote attacker can send specially crafted Memcached binary protocol commands, trigger heap-based buffer overflow and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Mitigation
Install update from vendor's website.
Vulnerable software versions
memcached: 1.4.31
External links
http://www.talosintelligence.com/reports/TALOS-2016-0221/
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.