OSV-2020-633 Global-buffer-overflow in ne_find_element
A global buffer overflow in the Nestegg library allows attackers to cause denial of service or potentially execute code via crafted media files.
- 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-2020-633?
OSV-2020-633 is a memory corruption vulnerability in nestegg, published on 1 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=15056
Crash type: Global-buffer-overflow READ 8
Crash state:
ne_find_element
ne_parse
nestegg_init
Which versions are affected by OSV-2020-633?
1 open source package ship an affected version, including nestegg.
| Package | Affected | Fixed in |
|---|---|---|
nestegg OSS-Fuzz | All versions | None |
How do I fix OSV-2020-633?
No fix has been published for OSV-2020-633 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-2020-633 being exploited?
There is no known exploitation of OSV-2020-633 in the wild and no public exploit code.