Vulnerability Description
In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands. This causes a denial of service when parsing crafted lru command messages in process_lru_command in memcached.c.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Memcached | Memcached | < 1.5.14 |
| Canonical | Ubuntu Linux | 18.04 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
- https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2cPatchThird Party Advisory
- https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9fPatch
- https://github.com/memcached/memcached/issues/474ExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://usn.ubuntu.com/3963-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
- https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2cPatchThird Party Advisory
- https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9fPatch
- https://github.com/memcached/memcached/issues/474ExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://usn.ubuntu.com/3963-1/Third Party Advisory
FAQ
What is CVE-2019-11596?
CVE-2019-11596 is a vulnerability with a CVSS score of 7.5 (HIGH). In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands. This causes a denial of service when parsing crafted lru command messages in process_lru...
How severe is CVE-2019-11596?
CVE-2019-11596 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-11596?
Check the references section above for vendor advisories and patch information. Affected products include: Memcached Memcached, Canonical Ubuntu Linux.