CVE-2021-36089

Grok 7.6.6 through 9.2.0 has a heap-based buffer overflow in grk::FileFormatDecompress::apply_palette_clr (called from grk::FileFormatDecompress::applyColour).

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544	Exploit Issue Tracking Patch Third Party Advisory
https://github.com/GrokImageCompression/grok/releases	Release Notes Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yaml	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:zope:grok:*:*:*:*:*:*:*:*

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

History

06 Jul 2021, 21:04

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.8 v3 : 7.8
CWE		CWE-787
CPE		cpe:2.3:o:linux:linux_kernel:-:::::::* cpe:2.3:a:zope:grok::::::::
References	~~(MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544 -~~	(MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544 - Exploit, Issue Tracking, Patch, Third Party Advisory
References	~~(MISC) https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yaml -~~	(MISC) https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yaml - Third Party Advisory
References	~~(MISC) https://github.com/GrokImageCompression/grok/releases -~~	(MISC) https://github.com/GrokImageCompression/grok/releases - Release Notes, Third Party Advisory

01 Jul 2021, 03:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-07-01 03:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-36089

Mitre link : CVE-2021-36089

CVE.ORG link : CVE-2021-36089

JSON object : View

Products Affected

zope

grok

linux

linux_kernel

CWE

CWE-787

Out-of-bounds Write

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