OSV-2020-785 Heap-buffer-overflow in sctp_handle_packet_dropped
A heap buffer overflow in the SCTP library allows remote attackers to cause a denial of service or potentially execute arbitrary code.
- 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-2020-785?
OSV-2020-785 is a memory corruption vulnerability in usrsctp, 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=23656
Crash type: Heap-buffer-overflow READ 1
Crash state:
sctp_handle_packet_dropped
sctp_process_control
sctp_common_input_processing
Which versions are affected by OSV-2020-785?
1 open source package ship an affected version, including usrsctp.
| Package | Affected | Fixed in |
|---|---|---|
usrsctp OSS-Fuzz | All versions | None |
How do I fix OSV-2020-785?
No fix has been published for OSV-2020-785 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 OSV-2020-785 being exploited?
There is no known exploitation of OSV-2020-785 in the wild and no public exploit code.