CVE-2018-1000127
memcached: Integer Overflow in items.c:item_free()
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
memcached, en versiones anteriores a la 1.4.37, contiene una vulnerabilidad de desbordamiento de enteros en items.c:item_free() que puede resultar en la corrupción de datos y en deadlocks debido a que los ítems en la tabla de hash se reusan de la lista libre. Este ataque parece ser explotable mediante conectividad de red en el servicio memcached. La vulnerabilidad parece haber sido solucionada en las versiones 1.4.37 y siguientes.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2018-03-13 CVE Reserved
- 2018-03-13 CVE Published
- 2023-10-07 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-190: Integer Overflow or Wraparound
- CWE-667: Improper Locking
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| https://github.com/memcached/memcached/issues/271 | Third Party Advisory | |
| https://github.com/memcached/memcached/wiki/ReleaseNotes1437 | Release Notes | |
| https://lists.debian.org/debian-lts-announce/2018/03/msg00031.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00 | 2020-08-24 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2018:2290 | 2020-08-24 | |
| https://usn.ubuntu.com/3601-1 | 2020-08-24 | |
| https://www.debian.org/security/2018/dsa-4218 | 2020-08-24 | |
| https://access.redhat.com/security/cve/CVE-2018-1000127 | 2018-07-30 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1555064 | 2018-07-30 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Memcached Search vendor "Memcached" | Memcached Search vendor "Memcached" for product "Memcached" | < 1.4.37 Search vendor "Memcached" for product "Memcached" and version " < 1.4.37" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 17.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "17.10" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Openstack Search vendor "Redhat" for product "Openstack" | 10 Search vendor "Redhat" for product "Openstack" and version "10" | - |
Affected
| ||||||