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CVE-2018-1000127

Date: March 13, 2018

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.

Language: C

Severity Score

Related Resources (12)

https://usn.ubuntu.com/3601-1/
https://github.com/memcached/memcached/wiki/ReleaseNotes1437
https://access.redhat.com/errata/RHSA-2018:2290
https://access.redhat.com/security/cve/CVE-2018-1000127
https://www.debian.org/security/2018/dsa-4218
https://nvd.nist.gov/vuln/detail/CVE-2018-1000127
https://lists.debian.org/debian-lts-announce/2018/03/msg00031.html
https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00
https://github.com/memcached/memcached/issues/271
https://security-tracker.debian.org/tracker/CVE-2018-1000127
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-1000127
https://www.mend.io/vulnerability-database/CVE-2018-1000127

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Improper Locking

CWE-667

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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