Vulnerability Details : CVE-2018-1000127
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.
Vulnerability category: Overflow
Products affected by CVE-2018-1000127
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
- cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*
Threat overview for CVE-2018-1000127
Top countries where our scanners detected CVE-2018-1000127
Top open port discovered on systems with this issue
11211
IPs affected by CVE-2018-1000127 24,097
Threat actors abusing to this issue?
Yes
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affected by CVE-2018-1000127!
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Exploit prediction scoring system (EPSS) score for CVE-2018-1000127
1.00%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-1000127
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-1000127
-
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.Assigned by: nvd@nist.gov (Primary)
-
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-1000127
-
https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00
Don't overflow item refcount on get · memcached/memcached@a8c4a82 · GitHubPatch;Third Party Advisory
-
https://usn.ubuntu.com/3601-1/
USN-3601-1: Memcached vulnerability | Ubuntu security noticesThird Party Advisory
-
https://www.debian.org/security/2018/dsa-4218
Debian -- Security Information -- DSA-4218-1 memcachedThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2018:2290
RHSA-2018:2290 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/03/msg00031.html
[SECURITY] [DLA 1329-1] memcached security updateMailing List;Third Party Advisory
-
https://github.com/memcached/memcached/issues/271
Memcached gets a dead loop in func assoc_find · Issue #271 · memcached/memcached · GitHubThird Party Advisory
-
https://github.com/memcached/memcached/wiki/ReleaseNotes1437
ReleaseNotes1437 · memcached/memcached Wiki · GitHubRelease Notes;Third Party Advisory
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