Details of VAR-202308-3352

ID

VAR-202308-3352

CVE

CVE-2023-20819

TITLE

Out-of-bounds write vulnerability in multiple MediaTek products

Trust: 0.8

sources: JVNDB: JVNDB-2023-013538

DESCRIPTION

In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003. LR11 , LR12A , LR13 A number of MediaTek products, including the following, contain out-of-bounds write vulnerabilities.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 1.62

sources: NVD: CVE-2023-20819 // JVNDB: JVNDB-2023-013538

AFFECTED PRODUCTS

vendor:	mediatek	model:	nr17	scope:	eq	version:	-	Trust: 1.0
vendor:	mediatek	model:	lr13	scope:	eq	version:	-	Trust: 1.0
vendor:	mediatek	model:	nr15	scope:	eq	version:	-	Trust: 1.0
vendor:	mediatek	model:	nr16	scope:	eq	version:	-	Trust: 1.0
vendor:	mediatek	model:	lr12a	scope:	eq	version:	-	Trust: 1.0
vendor:	mediatek	model:	lr11	scope:	eq	version:	-	Trust: 1.0
vendor:	メディアテック	model:	lr12a	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	nr15	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	lr11	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	nr17	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	nr16	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	lr13	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2023-013538 // NVD: CVE-2023-20819

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2023-20819
value:	CRITICAL
Trust: 1.0
134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2023-20819
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2023-20819
value:	CRITICAL
Trust: 0.8

nvd@nist.gov:	CVE-2023-20819
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2023-20819
baseSeverity:	MEDIUM
baseScore:	6.7
vectorString:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	0.8
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2023-20819
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2023-013538 // NVD: CVE-2023-20819 // NVD: CVE-2023-20819

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2023-013538 // NVD: CVE-2023-20819

PATCH

title:

url:

https://github.com/N3vv/N3vv

Trust: 0.1

sources: VULMON: CVE-2023-20819

EXTERNAL IDS

db:	NVD	id:	CVE-2023-20819	Trust: 2.7
db:	JVNDB	id:	JVNDB-2023-013538	Trust: 0.8
db:	VULMON	id:	CVE-2023-20819	Trust: 0.1

sources: VULMON: CVE-2023-20819 // JVNDB: JVNDB-2023-013538 // NVD: CVE-2023-20819

REFERENCES

url:	https://corp.mediatek.com/product-security-bulletin/october-2023	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2023-20819	Trust: 0.8
url:	https://github.com/n3vv/n3vv	Trust: 0.1

sources: VULMON: CVE-2023-20819 // JVNDB: JVNDB-2023-013538 // NVD: CVE-2023-20819

SOURCES

db:	VULMON	id:	CVE-2023-20819
db:	JVNDB	id:	JVNDB-2023-013538
db:	NVD	id:	CVE-2023-20819

LAST UPDATE DATE

2024-09-22T23:17:41.982000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2023-013538	date:	2023-12-21T03:07:00
db:	NVD	id:	CVE-2023-20819	date:	2024-09-21T16:35:01.573

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2023-013538	date:	2023-12-21T00:00:00
db:	NVD	id:	CVE-2023-20819	date:	2023-10-02T03:15:09.710