OSV-2022-794 Heap-buffer-overflow in std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
A heap buffer overflow in Exiv2's QuickTime video parser allows attackers to cause crashes or potentially execute code via malicious files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is OSV-2022-794?
OSV-2022-794 is a memory corruption vulnerability in exiv2, published on 27 Aug 2022. It can only be exploited from the same machine or local network, 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=50629
Crash type: Heap-buffer-overflow READ 5
Crash state:
std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
Exiv2::QuickTimeVideo::previewTagDecoder
Exiv2::QuickTimeVideo::tagDecoder
Which versions are affected by OSV-2022-794?
1 open source package ship an affected version, including exiv2.
| Package | Affected | Fixed in |
|---|---|---|
exiv2 OSS-Fuzz | All versions | None |
How do I fix OSV-2022-794?
No fix has been published for OSV-2022-794 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-2022-794 being exploited?
There is no known exploitation of OSV-2022-794 in the wild and no public exploit code.