CVE-2021-21871

CVSS V2 Medium 6.8 CVSS V3 High 7.8

Description

A memory corruption vulnerability exists in the DMG File Format Handler functionality of PowerISO 7.9. A specially crafted DMG file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability. The vendor fixed it in a bug-release of the current version.

Overview

CVE ID
CVE-2021-21871

Assigner
talos-cna@cisco.com

Vulnerability Status
Analyzed

Published Version
2021-06-29T16:15:08

Last Modified Date
2022-09-30T03:06:56

Weakness Enumerations

CWE	URL
CWE-787	http://cwe.mitre.org/data/definitions/787.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:poweriso:poweriso:7.9:::::::*	1	OR

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://talosintelligence.com/vulnerability_reports/TALOS-2021-1308	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-21871
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21871

History

Created	Old Value	New Value	Data Type	Notes
2022-04-20 17:01:52				Added to TrackCVE
2022-12-05 05:11:35	2021-06-29T16:15Z	2021-06-29T16:15:08	CVE Published Date	updated
2022-12-05 05:11:35		2022-09-30T03:06:56	CVE Modified Date	updated
2022-12-05 05:11:36		Analyzed	Vulnerability Status	updated