CVE-2018-1000127

Publication date 13 March 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused from free list. This attack appear to be exploitable via network connectivity to the memcached service. This vulnerability appears to have been fixed in 1.4.37 and later.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
memcached	17.10 artful	Fixed 1.4.33-1ubuntu3.3
	16.04 LTS xenial	Fixed 1.4.25-2ubuntu1.4
	14.04 LTS trusty	Fixed 1.4.14-0ubuntu9.3

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
memcached	Upstream: a8c4a82

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3601-1
Memcached vulnerability
19 March 2018