OSV-2023-721 Stack-buffer-overflow in crc24q_check
A stack buffer overflow in the crc24q_check function allows attackers to cause a denial of service via crafted packets.
- 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-2023-721?
OSV-2023-721 is a memory corruption vulnerability in gpsd, published on 21 Aug 2023. 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=61617
Crash type: Stack-buffer-overflow READ 1
Crash state:
crc24q_check
packet_parse
FuzzPacket.c
Which versions are affected by OSV-2023-721?
1 open source package ship an affected version, including gpsd.
| Package | Affected | Fixed in |
|---|---|---|
gpsd OSS-Fuzz | All versions | None |
How do I fix OSV-2023-721?
No fix has been published for OSV-2023-721 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-2023-721 being exploited?
There is no known exploitation of OSV-2023-721 in the wild and no public exploit code.