CVE-2021-21871 Memory corruption in PowerISO
A memory corruption vulnerability in PowerISO allows attackers to execute arbitrary code via a specially crafted DMG file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-21871?
CVE-2021-21871 is a high-severity memory corruption vulnerability in PowerISO, published on 29 Jun 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2021-21871?
It affects 1 product.
Products include Poweriso Poweriso.
How do I fix CVE-2021-21871?
No fix has been published for CVE-2021-21871 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-21871 being exploited?
There is no known exploitation of CVE-2021-21871 in the wild and no public exploit code.
Other vulnerabilities in PowerISO
Sources
Also known as GHSA-34wh-mx6f-wwpc.