CVE-2019-11596
Memcached NULL Pointer Dereference Denial of Service
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.
INFO
Published Date :
April 29, 2019, 3:29 p.m.
Last Modified :
Nov. 21, 2024, 4:21 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.0 | HIGH | [email protected] |
Solution
- Update the memcached package.
- If using SUSE, use YaST online_update or 'zypper patch'.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-11596.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-11596 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-11596
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-11596 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-11596 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html Added Reference https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02 Added Reference https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f Added Reference https://github.com/memcached/memcached/issues/474 Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/ Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/ Added Reference https://usn.ubuntu.com/3963-1/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/ -
CVE Modified by [email protected]
May. 26, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html [No Types Assigned] -
CVE Modified by [email protected]
May. 16, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/ [No Types Assigned] -
CVE Modified by [email protected]
May. 16, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/ [No Types Assigned] -
Modified Analysis by [email protected]
May. 03, 2019
Action Type Old Value New Value Changed Reference Type https://usn.ubuntu.com/3963-1/ No Types Assigned https://usn.ubuntu.com/3963-1/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 01, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3963-1/ [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 30, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02 No Types Assigned https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02 Patch, Third Party Advisory Changed Reference Type https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f No Types Assigned https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f Patch Changed Reference Type https://github.com/memcached/memcached/issues/474 No Types Assigned https://github.com/memcached/memcached/issues/474 Exploit, Third Party Advisory Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.14
Vulnerability Scoring Details
Base CVSS Score: 7.5
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.31 }} -0.24%
score
0.78940
percentile