Symantec Norton Security/Endpoint Protection Kernel Memory IRP Request information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Symantec Norton Security and Endpoint Protection. It has been classified as problematic. The impacted element is an unknown function of the component Kernel Memory Handler. Performing a manipulation as part of IRP Request results in information disclosure. This vulnerability is reported as CVE-2018-18366. The attack requires a local approach. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Symantec Norton Security and Endpoint Protection (Anti-Malware Software) (unknown version). It has been classified as problematic. This affects an unknown code block of the component Kernel Memory Handler. The manipulation as part of a IRP Request leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

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.

The bug was discovered 04/23/2019. The weakness was disclosed 04/15/2019 by Cisco with Cisco Talos as SYMSA1479 as confirmed security advisory (Website). The advisory is shared at support.symantec.com. This vulnerability is uniquely identified as CVE-2018-18366 since 10/15/2018. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371759 (Symantec SEP Cloud Vulnerabilities and Norton Security for Windows(SYMSA1479)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 107994†). The entries VDB-134052 and VDB-134098 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Symantec): 4.3
Vendor Vector (Symantec): 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

10/15/2018 🔍
04/15/2019 +182 days 🔍
04/15/2019 +0 days 🔍
04/23/2019 +8 days 🔍
04/23/2019 +0 days 🔍
04/26/2019 +3 days 🔍
06/02/2020 +403 days 🔍

Sourcesinfo

Vendor: symantec.com

Advisory: SYMSA1479
Researcher: Cisco
Organization: Cisco Talos
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-18366 (🔍)
GCVE (CVE): GCVE-0-2018-18366
GCVE (VulDB): GCVE-100-134097
SecurityFocus: 107994 - Multiple Symantec Products CVE-2018-18366 Local Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 04/26/2019 08:16
Updated: 06/02/2020 15:14
Changes: 04/26/2019 08:16 (75), 06/02/2020 15:14 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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