CVE-2021-21871

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.

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.0

8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

0.95% chance of exploitation in the next 30 days, 59th percentile

Published

2021-06-29

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1308

References

• CVE Record
• NVD entry

Related

• CVE-2021-21870
• CVE-2021-21872
• CVE-2021-21869
• CVE-2021-21873
• CVE-2021-21868
• CVE-2021-21874