OSV-2021-1546 Heap-buffer-overflow in pn_buffer_append
A heap-buffer-overflow in the Proton AMQP library allows attackers to cause denial of service or potentially execute code via crafted data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2021-1546?
OSV-2021-1546 is a memory corruption vulnerability in qpid-proton, published on 7 Nov 2021.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40748
Crash type: Heap-buffer-overflow READ {*}
Crash state:
pn_buffer_append
pni_data_intern_node
pni_decoder_decode_value
Which versions are affected by OSV-2021-1546?
1 open source package ship an affected version, including qpid-proton.
| Package | Affected | Fixed in |
|---|---|---|
qpid-proton OSS-Fuzz | All versions | None |
How do I fix OSV-2021-1546?
No fix has been published for OSV-2021-1546 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-2021-1546 being exploited?
There is no known exploitation of OSV-2021-1546 in the wild and no public exploit code.