CVE-2020-11761 Memory corruption in n/a
An out-of-bounds read in OpenEXR allows attackers to cause denial of service or disclose sensitive information via crafted image 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
- Available
What is CVE-2020-11761?
CVE-2020-11761 is a medium-severity memory corruption vulnerability in Apple Icloud, published on 14 Apr 2020. 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
An issue was discovered in OpenEXR before 2.4.1. There is an out-of-bounds read during Huffman uncompression, as demonstrated by FastHufDecoder::refill in ImfFastHuf.cpp.
Weakness: CWE-125
Which versions are affected by CVE-2020-11761?
It affects 11 products.
Products include Apple Icloud, Apple Ipados, Apple Iphone Os, Apple Itunes, Apple Mac Os X, Apple Tvos and 5 more.
How do I fix CVE-2020-11761?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-11761 being exploited?
There is no known exploitation of CVE-2020-11761 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as AZL-45105, DEBIAN-CVE-2020-11761, GHSA-pc2j-g7xf-qpcq, UBUNTU-CVE-2020-11761.