Vulnerability Name:

CVE-2016-5311 (CCN-119155)

Assigned:2016-11-22
Published:2016-11-22
Updated:2020-01-29
Summary:A Privilege Escalation vulnerability exists in Symantec Norton Antivirus, Norton AntiVirus with Backup, Norton Security, Norton Security with Backup, Norton Internet Security, Norton 360, Endpoint Protection Small Business Edition Cloud, and Endpoint Protection Cloud Client due to a DLL-preloading without path restrictions, which could let a local malicious user obtain system privileges.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.0 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-427
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2016-5311

Source: CCN
Type: BID-94295
Multiple Symantec Products CVE-2016-5311 DLL Loading Local Privilege Escalation Vulnerability

Source: MISC
Type: Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/94295

Source: MISC
Type: Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037323

Source: MISC
Type: Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037324

Source: MISC
Type: Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037325

Source: XF
Type: UNKNOWN
symantec-cve20165311-priv-esc(119155)

Source: CCN
Type: Symantec Security Advisory SYM16-021
Symantec Norton Client DLL Pre-Loading Uncontrolled Search Path Elevation of Privilege

Source: CONFIRM
Type: Vendor Advisory
https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20161117_00

Vulnerable Configuration:Configuration 1:
  • cpe:/a:symantec:endpoint_protection:*:*:*:*:*:*:*:* (Version < 22.8.0.50)
  • OR cpe:/a:symantec:endpoint_protection_cloud:*:*:*:*:*:*:*:* (Version < 22.8.0.50)
  • OR cpe:/a:symantec:norton_360:*:*:*:*:*:*:*:* (Version < 22.7)
  • OR cpe:/a:symantec:norton_antivirus:*:*:*:*:*:*:*:* (Version < 22.7)
  • OR cpe:/a:symantec:norton_antivirus_with_backup:*:*:*:*:*:*:*:* (Version < 22.7)
  • OR cpe:/a:symantec:norton_family:*:*:*:*:*:*:*:* (Version < 22.7)
  • OR cpe:/a:symantec:norton_internet_security:*:*:*:*:*:*:*:* (Version < 22.7)
  • OR cpe:/a:symantec:norton_security:*:*:*:*:*:*:*:* (Version < 22.7)
  • OR cpe:/a:symantec:norton_security_with_backup:*:*:*:*:*:*:*:* (Version < 22.7)

  • Configuration CCN 1:
  • cpe:/a:symantec:norton_antivirus:*:*:*:*:*:*:*:*
  • OR cpe:/a:symantec:norton_internet_security:*:*:*:*:*:*:*:*
  • OR cpe:/a:symantec:endpoint_encryption:11.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:symantec:norton_antivirus_with_backup:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    symantec endpoint protection *
    symantec endpoint protection cloud *
    symantec norton 360 *
    symantec norton antivirus *
    symantec norton antivirus with backup *
    symantec norton family *
    symantec norton internet security *
    symantec norton security *
    symantec norton security with backup *
    symantec norton antivirus *
    symantec norton internet security *
    symantec endpoint encryption 11.0.0
    symantec norton antivirus with backup *