Integer overflow in Memcached
CVE-2016-8704
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.
Vulnerability class: Integer Overflow
EPSS: 0.232 (97.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Memcached — versions 1.4.31
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (vendor-advisory, x_refsource_GENTOO)
- talos-cna@cisco.com (vendor-advisory, x_refsource_DEBIAN)
- talos-cna@cisco.com (x_refsource_REDHAT, vendor-advisory)
- talos-cna@cisco.com (vdb-entry, x_refsource_BID)
- talos-cna@cisco.com (x_refsource_REDHAT, vendor-advisory)
- talos-cna@cisco.com (x_refsource_REDHAT, vendor-advisory)
- talos-cna@cisco.com (vdb-entry, x_refsource_SECTRACK)
- talos-cna@cisco.com (Technical Description, Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2016-8704?
- CVE-2016-8704 is a critical-severity vulnerability in Memcached, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2017-01-06.
- How severe is CVE-2016-8704?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-8704 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.