CVE-2020-7807 : A vulnerability that can hijack a DLL file that is loaded during products(LGPCSu

A vulnerability that can hijack a DLL file that is loaded during products(LGPCSuite_Setup, IPSFULLHD, LG_ULTRAWIDE, ULTRA_HD_Driver Setup) installation into a DLL file that the hacker wants. Missing Support for Integrity Check vulnerability in ____COMPONENT____ of LG Electronics (LGPCSuite_Setup), (IPSFULLHD, LG_ULTRAWIDE, ULTRA_HD_Driver Setup) allows ____ATTACKER/ATTACK____ to cause ____IMPACT____. This issue affects: LG Electronics; LGPCSuite_Setup : 1.0.0.3 on Windows(x86, x64); IPSFULLHD, LG_ULTRAWIDE, ULTRA_HD_Driver Setup : 1.0.0.9 on Windows(x86, x64).

Published 2020-09-14 12:15:11

Updated 2020-09-21 12:49:04

Source KrCERT/CC

View at NVD, CVE.org

Products affected by CVE-2020-7807

LG » Ipsfullhd » Version: 1.0.0.3
cpe:2.3:a:lg:ipsfullhd:1.0.0.3:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
LG » Lg Ultrawide » Version: 1.0.0.3
cpe:2.3:a:lg:lg_ultrawide:1.0.0.3:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
LG » Lgpcsuite Setup » Version: 1.0.0.9
cpe:2.3:a:lg:lgpcsuite_setup:1.0.0.9:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
LG » Ultra Hd Driver Setup » Version: 1.0.0.3
cpe:2.3:a:lg:ultra_hd_driver_setup:1.0.0.3:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2020-7807

EPSS FAQ

0.03%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 4 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-7807

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
1.9	LOW	AV:L/AC:M/Au:N/C:N/I:P/A:N	3.4	2.9	NIST
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: High Availability: None
5.6	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H	0.3	5.2	KrCERT/CC
Attack Vector: Local Attack Complexity: High Privileges Required: High User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: High Availability: High

CWE ids for CVE-2020-7807

CWE-353 Missing Support for Integrity Check

The product uses a transmission protocol that does not include a mechanism for verifying the integrity of the data during transmission, such as a checksum.

Assigned by: vuln@krcert.or.kr (Secondary)
CWE-354 Improper Validation of Integrity Check Value

The product does not validate or incorrectly validates the integrity check values or "checksums" of a message. This may prevent it from detecting if the data has been modified or corrupted in transmission.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-7807

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35587

KrCERT/CC - KISA 인터넷 보호나라&KrCERT
Third Party Advisory
https://lgsecurity.lge.com/

LG Product Security
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2020-7807

Products affected by CVE-2020-7807

Exploit prediction scoring system (EPSS) score for CVE-2020-7807

CVSS scores for CVE-2020-7807

CWE ids for CVE-2020-7807

References for CVE-2020-7807