Vulnerability in Memcached
CVE-2011-4971
Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and earlier allow remote attackers to cause a denial of service (crash) via a large body length value in a packet.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.223 (97.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.223 · newest: 0.223 · change: 0.000
Affected products
- Memcached — versions 1.2.7, 1.2.8, 1.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- insecurety.net/ (Exploit)
- www.mandriva.com/security/advisories (vendor-advisory)
- code.google.com/p/memcached/issues/detail (Exploit, Patch)
- www.ubuntu.com/usn/USN-2080-1 (vendor-advisory)
- www.securityfocus.com/bid/59567 (vdb-entry)
- puppet.com/security/cve/cve-2011-4971
- www.debian.org/security/2014/dsa-2832 (vendor-advisory)
- secunia.com/advisories/56183 (third-party-advisory)
Frequently asked questions
- What is CVE-2011-4971?
- CVE-2011-4971 is a vulnerability in Memcached, classified under CWE-189. Published 2013-12-12.
- Is CVE-2011-4971 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.