high
7.5
CWE
190 667
Advisory Published
CVE Published
Updated

CVE-2018-1000127: Integer Overflow

First published: Tue Mar 13 2018(Updated: )

A flaw was found in memcached version prior to 1.4.37. It contains an Integer Overflow vulnerability in items.c:item_free() that can result in resource leaks or data corruption, deadlocks and crashes 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. References: <a href="https://github.com/memcached/memcached/issues/271">https://github.com/memcached/memcached/issues/271</a> <a href="https://github.com/memcached/memcached/wiki/ReleaseNotes1437">https://github.com/memcached/memcached/wiki/ReleaseNotes1437</a> Upstream Patch: <a href="https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00">https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00</a>

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Memcached Memcached<1.4.37
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
Redhat Openstack=10
redhat/memcached<1.4.37
1.4.37
ubuntu/memcached<1.4.33-1ubuntu3.3
1.4.33-1ubuntu3.3
ubuntu/memcached<1.4.14-0ubuntu9.3
1.4.14-0ubuntu9.3
ubuntu/memcached<1.5.0-1
1.5.0-1
ubuntu/memcached<1.4.25-2ubuntu1.4
1.4.25-2ubuntu1.4
debian/memcached
1.6.9+dfsg-1
1.6.18-1
1.6.29-1

Remedy

https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2018-1000127?

    CVE-2018-1000127 is a vulnerability in memcached version prior to 1.4.37 that can result in data corruption and deadlocks.

  • How severe is CVE-2018-1000127?

    CVE-2018-1000127 has a severity level of 7.5 (high).

  • Which software is affected by CVE-2018-1000127?

    The software affected by CVE-2018-1000127 is memcached version prior to 1.4.37.

  • How can I fix CVE-2018-1000127?

    To fix CVE-2018-1000127, upgrade to memcached version 1.4.37 or higher.

  • Where can I find more information about CVE-2018-1000127?

    You can find more information about CVE-2018-1000127 on the Debian security tracker and MITRE's CVE database.

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