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ID

VAR-202109-1348


CVE

CVE-2021-30735


TITLE

Pillow Buffer error vulnerability

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

DESCRIPTION

A malicious application may be able to execute arbitrary code with kernel privileges. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An out-of-bounds write issue was addressed with improved bounds checking. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. Apple macOS Big Sur is a mobile application APP of Apple (Apple). A buffer error vulnerability exists in macOS Big Sur that allows a local user to escalate privileges on the system. Affected versions: macOS: 11.0 20A2411, 11.0.1 20B29, 11.0.1 20B50, 11.1 20C69, 11.2 20D64, 11.2.1 20D74, 11.2.1 20D75, 11.2.2 20D80, 11.2.3 20D91, 1E2.3, 20D91, 11.2.3, 20D74 20E241. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the LLIntGenerator object. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process

Trust: 1.62

sources: NVD: CVE-2021-30735 // CNNVD: CNNVD-202104-975 // VULHUB: VHN-390468 // VULMON: CVE-2021-30735

AFFECTED PRODUCTS

vendor:applemodel:mac os xscope:lteversion:10.15.6

Trust: 1.0

vendor:applemodel:mac os xscope:gteversion:10.14.0

Trust: 1.0

vendor:applemodel:mac os xscope:gteversion:10.15

Trust: 1.0

vendor:applemodel:macosscope:gteversion:11.0.1

Trust: 1.0

vendor:applemodel:mac os xscope:eqversion:10.15.7

Trust: 1.0

vendor:applemodel:macosscope:ltversion:11.4

Trust: 1.0

vendor:applemodel:mac os xscope:lteversion:10.14.5

Trust: 1.0

vendor:applemodel:mac os xscope:eqversion:10.14.6

Trust: 1.0

sources: NVD: CVE-2021-30735

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-30735
value: HIGH

Trust: 1.0

CNNVD: CNNVD-202104-975
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202105-1450
value: HIGH

Trust: 0.6

VULHUB: VHN-390468
value: HIGH

Trust: 0.1

VULMON: CVE-2021-30735
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-30735
severity: HIGH
baseScore: 9.3
vectorString: AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

VULHUB: VHN-390468
severity: HIGH
baseScore: 9.3
vectorString: AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-30735
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

sources: VULHUB: VHN-390468 // VULMON: CVE-2021-30735 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202105-1450 // NVD: CVE-2021-30735

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.1

sources: VULHUB: VHN-390468 // NVD: CVE-2021-30735

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202105-1450

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

PATCH

title:Apple macOS Big Sur Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=151643

Trust: 0.6

sources: CNNVD: CNNVD-202105-1450

EXTERNAL IDS

db:NVDid:CVE-2021-30735

Trust: 1.8

db:ZDIid:ZDI-21-769

Trust: 0.7

db:CS-HELPid:SB2021041363

Trust: 0.6

db:CNNVDid:CNNVD-202104-975

Trust: 0.6

db:AUSCERTid:ESB-2021.1794

Trust: 0.6

db:CS-HELPid:SB2021052415

Trust: 0.6

db:CNNVDid:CNNVD-202105-1450

Trust: 0.6

db:VULHUBid:VHN-390468

Trust: 0.1

db:VULMONid:CVE-2021-30735

Trust: 0.1

sources: VULHUB: VHN-390468 // VULMON: CVE-2021-30735 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202105-1450 // NVD: CVE-2021-30735

REFERENCES

url:https://support.apple.com/en-us/ht212529

Trust: 1.8

url:https://support.apple.com/en-us/ht212530

Trust: 1.8

url:https://support.apple.com/en-us/ht212531

Trust: 1.8

url:https://www.zerodayinitiative.com/advisories/zdi-21-769/

Trust: 0.7

url:https://www.cybersecurity-help.cz/vdb/sb2021041363

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2021052415

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.1794

Trust: 0.6

url:https://vigilance.fr/vulnerability/apple-macos-multiple-vulnerabilities-35514

Trust: 0.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-30735

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/787.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-390468 // VULMON: CVE-2021-30735 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202105-1450 // NVD: CVE-2021-30735

CREDITS

Jack Dates of RET2 Systems, Inc. (@ret2systems)

Trust: 0.6

sources: CNNVD: CNNVD-202105-1450

SOURCES

db:VULHUBid:VHN-390468
db:VULMONid:CVE-2021-30735
db:CNNVDid:CNNVD-202104-975
db:CNNVDid:CNNVD-202105-1450
db:NVDid:CVE-2021-30735

LAST UPDATE DATE

2024-08-14T12:19:56.305000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-390468date:2021-09-22T00:00:00
db:VULMONid:CVE-2021-30735date:2021-09-22T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202105-1450date:2021-09-15T00:00:00
db:NVDid:CVE-2021-30735date:2021-09-22T14:22:21.290

SOURCES RELEASE DATE

db:VULHUBid:VHN-390468date:2021-09-08T00:00:00
db:VULMONid:CVE-2021-30735date:2021-09-08T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-13T00:00:00
db:CNNVDid:CNNVD-202105-1450date:2021-05-24T00:00:00
db:NVDid:CVE-2021-30735date:2021-09-08T14:15:09.250