Vulnerability in Memcached
CVE-2017-9951
The try_read_command function in memcached.c in memcached before 1.4.39 allows remote attackers to cause a denial of service (segmentation fault) via a request to add/set a key, which makes a comparison between signed and unsigned int and triggers a heap-based buffer over-read. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-8705.
EPSS: 0.042 (89.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Memcached
- N/a — versions n/a
References
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-9951?
- CVE-2017-9951 is a high-severity vulnerability in Memcached. CVSS score: 7.5/10. Published 2017-07-17.
- How severe is CVE-2017-9951?
- High severity. CVSS v3 base score is 7.5 out of 10.