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Intel System CU 14.0 / 14.1 Buffer Overflow

Intel System CU 14.0 / 14.1 Buffer Overflow
Posted Jul 11, 2018
Authored by Vulnerability Laboratory, S.AbenMassaoud | Site vulnerability-lab.com

Intel System CU versions 14.0 and 14.1 suffer from a buffer overflow vulnerability.

tags | advisory, overflow
advisories | CVE-2018-3661
SHA-256 | b08a71520ac93d53b65797c8f313d51e383ee856103ba5c0015950cea6f27843

Intel System CU 14.0 / 14.1 Buffer Overflow

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Document Title:
Intel System CU - Buffer Overflow (Denial of Service) Vulnerability

References (Source):

Security ID: INTEL-SA-00134





Release Date:

Vulnerability Laboratory ID (VL-ID):

Common Vulnerability Scoring System:

Vulnerability Class:
Buffer Overflow

Current Estimated Price:
3.000a! - 4.000a!

Abstract Advisory Information:
The vulnerability laboratory core research team discovered a local
buffer overflow vulnerability in the official Intel System CU 14.0 and 14.1.

Vulnerability Disclosure Timeline:
2018-05-15: Release Date (Intel)
2018-07-11: Public Disclosure (Vulnerability Laboratory)

Discovery Status:

Affected Product(s):
Intel Systems
Product: Intel System - CU (Utilities) 14.0 build & 14.1 build - (IntelA(r)
C620 Series Chipsets b19)

Exploitation Technique:

Severity Level:

Authentication Type:
Restricted authentication (user/moderator) - User privileges

User Interaction:
No User Interaction

Disclosure Type:
Bug Bounty Program

Technical Details & Description:
A local buffer overflow vulnerability has been discovered in the
official Intel System CU 14.0 and 14.1 utilities.
The vulnerability can be exploited by local attackers to overwrite
active registers to compromise the process or
affected computer system.

Intel system configuration utilities are vulnerable to a denial of
service, caused by a classic buffer overflow.
By sending a specially-crafted request, a local authenticated attacker
could exploit this vulnerability to cause
a denial of service condition.

Affected are versions of syscfg.exe before release 14.0 build 16 or for
systems based on IntelA(r) C620 Series
Chipsets 14.1 build 19. Affected are Versions of selview.exe before
release 14.0 build 21 or for systems based
on IntelA(r) C620 Series Chipsets before 14.0 build 11.

Exploitation of the local buffer overflow vulnerability requires no user
interaction and system process privileges.
Successful exploitation of the buffer overflow vulnerability results in
a compromise of the local system process or
affected computer system.

Vulnerable File(s):
[+] syscfg.exe
[+] selview.exe


Security Risk:
The security risk of the exploitable local buffer overflow vulnerability
in the utilities software is estimated as medium.

Credits & Authors:
S.AbenMassaoud -

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