OSV-2020-829 Heap-use-after-free in check_content_type_and_change_protocol
A heap-use-after-free vulnerability in the nDPI library allows remote attackers to cause a denial of service or potentially execute arbitrary code via crafted network traffic.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2020-829?
OSV-2020-829 is an use after free vulnerability in ndpi, published on 14 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23834
Crash type: Heap-use-after-free READ 2
Crash state:
check_content_type_and_change_protocol
ndpi_check_http_tcp
ndpi_search_http_tcp
Which versions are affected by OSV-2020-829?
1 open source package ship an affected version, including ndpi.
| Package | Affected | Fixed in |
|---|---|---|
ndpi OSS-Fuzz | All versions | None |
How do I fix OSV-2020-829?
No fix has been published for OSV-2020-829 yet. Limit exposure of the affected software until one is available.
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 OSV-2020-829 being exploited?
There is no known exploitation of OSV-2020-829 in the wild and no public exploit code.