OSV-2016-5 Global-buffer-overflow in vte_write_debug
A global buffer overflow in the VTE library's debug write function can cause crashes or potentially allow code execution when processing malicious terminal output.
- 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-2016-5?
OSV-2016-5 is a memory corruption vulnerability in libtsm, published on 15 Jan 2021. 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=182
Crash type: Global-buffer-overflow READ 1
Crash state:
vte_write_debug
do_action
parse_data
Which versions are affected by OSV-2016-5?
1 open source package ship an affected version, including libtsm.
| Package | Affected | Fixed in |
|---|---|---|
libtsm OSS-Fuzz | All versions | None |
How do I fix OSV-2016-5?
No fix has been published for OSV-2016-5 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-2016-5 being exploited?
There is no known exploitation of OSV-2016-5 in the wild and no public exploit code.