OSV-2017-67 Heap-buffer-overflow in OSS_FUZZ_png_combine_row
A heap-buffer-overflow in libpng allows attackers to execute arbitrary code or cause denial of service via crafted PNG images.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is OSV-2017-67?
OSV-2017-67 is a memory corruption vulnerability in libpng, published on 13 Jan 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3608
Crash type: Heap-buffer-overflow WRITE {*}
Crash state:
OSS_FUZZ_png_combine_row
OSS_FUZZ_png_read_row
_start
Which versions are affected by OSV-2017-67?
1 open source package ship an affected version, including libpng.
| Package | Affected | Fixed in |
|---|---|---|
libpng OSS-Fuzz | All versions | None |
How do I fix OSV-2017-67?
No fix has been published for OSV-2017-67 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-2017-67 being exploited?
There is no known exploitation of OSV-2017-67 in the wild and no public exploit code.