CVE-2021-39818

CVSS V2 Medium 6.8 CVSS V3 High 7.8

Description

Adobe InCopy version 11.1 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious TIFF file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

Overview

CVE ID
CVE-2021-39818

Assigner
psirt@adobe.com

Vulnerability Status
Analyzed

Published Version
2021-09-27T16:15:09

Last Modified Date
2022-04-25T18:18:24

Weakness Enumerations

CWE	URL
CWE-119	http://cwe.mitre.org/data/definitions/119.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:adobe:incopy::::::windows::*	1	OR		16.3
cpe:2.3:a:adobe:incopy::::::macos::*	1	OR		16.3.1

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
6.4

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://helpx.adobe.com/security/products/incopy/apsb21-71.html	Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-39818
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39818

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:26:47				Added to TrackCVE
2022-12-05 11:22:15	2021-09-27T16:15Z	2021-09-27T16:15:09	CVE Published Date	updated
2022-12-05 11:22:15		2022-04-25T18:18:24	CVE Modified Date	updated
2022-12-05 11:22:15		Analyzed	Vulnerability Status	updated