CVE-2019-11596

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.57% Top 20%
Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/memcached/memcached/issues/474 third party advisory exploit
https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02 third party advisory patch
https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f patch
https://usn.ubuntu.com/3963-1/ third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-11596?
CVE-2019-11596 has been scored as a high severity vulnerability.
How to fix CVE-2019-11596?
To fix CVE-2019-11596, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11596 being actively exploited in the wild?
It is possible that CVE-2019-11596 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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