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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-1000127 from the MITRE CVE dictionary dictionary and NIST NVD.
| CVSS3 Base Score | 6.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | Low |
| Availability Impact | Low |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat OpenStack Platform 10 (memcached) | RHSA-2018:2290 | 2018-07-30 |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenStack Platform 9.0 | memcached | Will not fix |
| Red Hat OpenStack Platform 8.0 (Liberty) | memcached | Will not fix |
| Red Hat OpenStack Platform 13.0 (Queens) | memcached | Not affected |
| Red Hat OpenStack Platform 12.0 | memcached | Not affected |
| Red Hat OpenStack Platform 11.0 (Ocata) | memcached | Will not fix |
| Red Hat Mobile Application Platform On-Premise 4 | rhmap-memcached-docker | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | memcached | Will not fix |
| Red Hat Enterprise Linux 7 | memcached | Will not fix |
| Red Hat Enterprise Linux 6 | memcached | Will not fix |
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