OSV-2020-39 Heap-use-after-free in ndpi_http_check_content
A heap-use-after-free in the nDPI library's HTTP content check allows attackers to cause denial of service or potentially execute 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-2020-39?
OSV-2020-39 is an use after free vulnerability in ndpi, published on 24 Jun 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=22899
Crash type: Heap-use-after-free READ 1
Crash state:
ndpi_http_check_content
ndpi_int_http_add_connection
ndpi_check_http_tcp
Which versions are affected by OSV-2020-39?
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-2020-39?
No fix has been published for OSV-2020-39 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-2020-39 being exploited?
There is no known exploitation of OSV-2020-39 in the wild and no public exploit code.