CVE-2020-11558 Use after free in n/a
A use-after-free vulnerability in GPAC's MP4Box allows attackers to execute arbitrary code or cause denial of service via crafted media files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-11558?
CVE-2020-11558 is a critical use after free vulnerability in Gpac Gpac, published on 5 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in libgpac.a in GPAC 0.8.0, as demonstrated by MP4Box. audio_sample_entry_Read in isomedia/box_code_base.c does not properly decide when to make gf_isom_box_del calls. This leads to various use-after-free outcomes involving mdia_Read, gf_isom_delete_movie, and gf_isom_parse_movie_boxes.
Weakness: CWE-416
Which versions are affected by CVE-2020-11558?
It affects 1 product.
Products include Gpac Gpac.
How do I fix CVE-2020-11558?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-11558 being exploited?
There is no known exploitation of CVE-2020-11558 in the wild and no public exploit code.
Other vulnerabilities in Gpac Gpac
Sources
Also known as DEBIAN-CVE-2020-11558, GHSA-vh3c-9xjh-4qgg, UBUNTU-CVE-2020-11558.