Medium severity · published Apr 25, 2019
CVE-2018-18366
Symantec Norton Security prior to 22.16.3, SEP (Windows client) prior to and including 12.1 RU6 MP9, and prior to 14.2 RU1, SEP SBE prior to Cloud Agent 3.00.31.2817,…
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
Symantec Norton Security prior to 22.16.3, SEP (Windows client) prior to and including 12.1 RU6 MP9, and prior to 14.2 RU1, SEP SBE prior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22, SEP-12.1.7484.7002 and SEP Cloud prior to 22.16.3 may be susceptible to a kernel memory disclosure, which is a type of issue where a specially crafted IRP request can cause the driver to return uninitialized memory.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EP
Endpoint Protection · Symantec
11.0; 11.0; 11.0; 11.0; 11.0; 11.0; +34 more · source: NVD
EP
Endpoint Protection Cloud · Symantec
before 22.16.3 · source: NVD
EP
Endpoint Protection Cloud Agent · Symantec
before 3.00.31.2817 · source: NVD
NS
Norton Security · Symantec
before 22.16.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18366
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18366
Third Party Advisory
http://www.securityfocus.com/bid/107994
Vendor Advisory
https://support.symantec.com/en_US/article.SYMSA1479.html
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