CVE-2021-30472 Memory corruption in podofo
A stack-based buffer overflow in PoDoFo allows attackers to execute arbitrary code or cause denial of service via crafted PDF files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-30472?
CVE-2021-30472 is a high-severity memory corruption vulnerability in Podofo Project Podofo, published on 26 May 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A flaw was found in PoDoFo 0.9.7. A stack-based buffer overflow in PdfEncryptMD5Base::ComputeOwnerKey function in PdfEncrypt.cpp is possible because of a improper check of the keyLength value.
Which versions are affected by CVE-2021-30472?
It affects 1 product.
Products include Podofo Project Podofo.
How do I fix CVE-2021-30472?
No fix has been published for CVE-2021-30472 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-2021-30472 being exploited?
There is no known exploitation of CVE-2021-30472 in the wild and no public exploit code.
Other vulnerabilities in Podofo Project Podofo
Sources
Also known as DEBIAN-CVE-2021-30472, GHSA-4wq4-55w3-3f9f, UBUNTU-CVE-2021-30472.