Symantec Norton Security/Endpoint Protection SBE on Windows DLL Loader untrusted search path

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

A vulnerability was found in Symantec Norton Security and Endpoint Protection SBE on Windows (Anti-Malware Software) (affected version not known). It has been classified as problematic. Affected is some unknown functionality of the component DLL Loader. The manipulation with an unknown input leads to a untrusted search path vulnerability. CWE is classifying the issue as CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Norton Security (Windows client) prior to 22.16.3 and SEP SBE (Windows client) prior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22 & SEP-12.1.7484.7002, may be susceptible to a DLL Preloading vulnerability, which is a type of issue that can occur when an application looks to call a DLL for execution and an attacker provides a malicious DLL to use instead.

The weakness was disclosed 04/15/2019 by Cisco with Cisco Talos as SYMSA1479 as confirmed security advisory (Website). The advisory is shared for download at support.symantec.com. This vulnerability is traded as CVE-2018-18369 since 10/15/2018. The attack needs to be approached locally. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1574.

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 entries 134097 and 134098 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Symantec): 6.4
Vendor Vector (Symantec): 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

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Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
ATT&CK: T1574

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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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 🔍
04/26/2019 +3 days 🔍
06/02/2020 +403 days 🔍

Sourcesinfo

Vendor: symantec.com

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

CVE: CVE-2018-18369 (🔍)
SecurityFocus: 107994 - Multiple Symantec Products CVE-2018-18366 Local Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 04/26/2019 07:04
Updated: 06/02/2020 11:52
Changes: 04/26/2019 07:04 (76), 06/02/2020 11:52 (4)
Complete: 🔍

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