Vulnerability Details : CVE-2019-11596
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2019-11596
- 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:*:*:*:*:*:*:*
- cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*
Threat overview for CVE-2019-11596
Top countries where our scanners detected CVE-2019-11596
Top open port discovered on systems with this issue
11211
IPs affected by CVE-2019-11596 15,543
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2019-11596!
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2019-11596
9.63%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 95 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-11596
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-11596
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-11596
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/
[SECURITY] Fedora 29 Update: memcached-1.5.14-1.fc29 - package-announce - Fedora Mailing-Lists
-
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
[security-announce] openSUSE-SU-2020:0721-1: moderate: Security update f
-
https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02
fix segfault in "lru" command · memcached/memcached@d35334f · GitHubPatch;Third Party Advisory
-
https://usn.ubuntu.com/3963-1/
USN-3963-1: Memcached vulnerability | Ubuntu security noticesThird Party Advisory
-
https://github.com/memcached/memcached/issues/474
segfault (null pointer dereference) during lru command handling · Issue #474 · memcached/memcached · GitHubExploit;Third Party Advisory
-
https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f
Comparing ee1cfe3...50bdc9f · memcached/memcached · GitHubPatch
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/
[SECURITY] Fedora 30 Update: memcached-1.5.14-1.fc30 - package-announce - Fedora Mailing-Lists
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