Symantec Endpoint Protection up to 14.2 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

Summaryinfo

A vulnerability was found in Symantec Endpoint Protection up to 14.2. It has been rated as problematic. This vulnerability affects unknown code of the component DLL Loader. The manipulation leads to untrusted search path. This vulnerability is referenced as CVE-2018-12245. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Symantec Endpoint Protection up to 14.2 (Anti-Malware Software). It has been rated as problematic. This issue affects an unknown function of the component DLL Loader. The manipulation with an unknown input leads to a untrusted search path vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Symantec Endpoint Protection prior to 14.2 MP1 may be susceptible to a DLL Preloading vulnerability, which in this case is an issue that can occur when an application being installed unintentionally loads a DLL provided by a potential attacker. Note that this particular type of exploit only manifests at install time; no remediation is required for software that has already been installed. This issue only impacted the Trialware media for Symantec Endpoint Protection, which has since been updated.

The bug was discovered 11/28/2018. The weakness was published 11/28/2018 by Alex as SYMSA1468 as confirmed security advisory (Website). It is possible to read the advisory at support.symantec.com. The identification of this vulnerability is CVE-2018-12245 since 06/12/2018. Attacking locally is a requirement. The successful exploitation requires a simple authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 119617 (Symantec Endpoint Protection Client 12.1.x / 14.x < 14.2 MP1 DLL Preloading Vulnerability (SYMSA1468)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371339 (Symantec Endpoint Protection DLL Preloading Vulnerability (SYMSA1468)).

Upgrading to version 12.1.7454.7000 or 14.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (119617) and SecurityFocus (BID 105919†). Similar entries are available at VDB-127293 and VDB-127294. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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): 6.3
Vendor Vector (Symantec): 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 119617
Nessus Name: Symantec Endpoint Protection Client 12.1.x / 14.x < 14.2 MP1 DLL Preloading Vulnerability (SYMSA1468)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Endpoint Protection 12.1.7454.7000/14.2

Timelineinfo

06/12/2018 🔍
11/28/2018 +169 days 🔍
11/28/2018 +0 days 🔍
11/28/2018 +0 days 🔍
11/28/2018 +0 days 🔍
11/29/2018 +1 days 🔍
11/30/2018 +1 days 🔍
12/13/2018 +13 days 🔍
04/16/2020 +490 days 🔍

Sourcesinfo

Vendor: symantec.com

Advisory: SYMSA1468
Researcher: Alex
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-12245 (🔍)
GCVE (CVE): GCVE-0-2018-12245
GCVE (VulDB): GCVE-100-127295
SecurityFocus: 105919 - Symantec Endpoint Protection CVE-2018-12245 DLL Loading Local Privilege Escalation Vulnerability

See also: 🔍

Entryinfo

Created: 11/30/2018 07:57
Updated: 04/16/2020 09:14
Changes: 11/30/2018 07:57 (86), 04/16/2020 09:14 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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