CVE-2016-8704: Integer Overflow
First published: Tue Nov 01 2016(Updated: )
An integer overflow in the process_bin_append_prepend function in Memcached, which is responsible for processing multiple commands of Memcached binary protocol, can be abused to cause heap overflow and lead to remote code execution.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/memcached | <1.4.33 | 1.4.33 |
| Php Memcached | <=1.4.31 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2016-2819.html
- http://rhn.redhat.com/errata/RHSA-2016-2820.html
- http://www.debian.org/security/2016/dsa-3704
- http://www.securityfocus.com/bid/94083
- http://www.securitytracker.com/id/1037333
- http://www.talosintelligence.com/reports/TALOS-2016-0219/
- https://access.redhat.com/errata/RHSA-2017:0059
- https://security.gentoo.org/glsa/201701-12
- https://github.com/memcached/memcached/commit/bd578fc34b96abe0f8d99c1409814a09f51ee71c
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1390513
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1390514
- https://rhn.redhat.com/errata/RHSA-2016-2820.html
- https://rhn.redhat.com/errata/RHSA-2016-2819.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1390510
Frequently Asked Questions
What is the severity of CVE-2016-8704?
CVE-2016-8704 has a critical severity rating as it can lead to remote code execution due to a potential heap overflow.
How do I fix CVE-2016-8704?
To fix CVE-2016-8704, upgrade Memcached to version 1.4.33 or later.
What systems are affected by CVE-2016-8704?
CVE-2016-8704 affects Memcached versions up to and including 1.4.31.
Can CVE-2016-8704 be exploited remotely?
Yes, CVE-2016-8704 can be exploited remotely, allowing attackers to execute arbitrary code.
Is there a workaround for CVE-2016-8704?
There are no officially documented workarounds for CVE-2016-8704; upgrading to the patched version is recommended.
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