Executive Summary

Informations
Name CVE-2019-11596 First vendor Publication 2019-04-29
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11596

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 21
Os 3

Snort® IPS/IDS

Date Description
2020-01-16 Memcached lru mode NULL dereference attempt
RuleID : 52477 - Revision : 1 - Type : SERVER-OTHER
2020-01-16 Memcached lru temp_ttl NULL dereference attempt
RuleID : 52476 - Revision : 1 - Type : SERVER-OTHER
2019-09-24 Memcached lru mode NULL dereference attempt
RuleID : 51186 - Revision : 1 - Type : SERVER-OTHER
2019-09-24 Memcached lru temp_ttl NULL dereference attempt
RuleID : 51185 - Revision : 1 - Type : SERVER-OTHER

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
MISC https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676...
https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f
https://github.com/memcached/memcached/issues/474
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
UBUNTU https://usn.ubuntu.com/3963-1/

Alert History

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Date Informations
2023-11-07 21:40:08
  • Multiple Updates
2021-05-04 13:22:34
  • Multiple Updates
2021-04-22 02:37:32
  • Multiple Updates
2020-05-26 21:23:12
  • Multiple Updates
2020-05-23 02:21:41
  • Multiple Updates
2019-06-22 12:03:31
  • Multiple Updates
2019-05-16 12:09:24
  • Multiple Updates
2019-05-16 09:19:15
  • Multiple Updates
2019-05-04 00:18:56
  • Multiple Updates
2019-05-01 21:19:05
  • Multiple Updates
2019-04-30 21:19:29
  • Multiple Updates
2019-04-29 21:19:27
  • First insertion