OSV-2022-557 Heap-buffer-overflow in emit_goto
A heap-buffer-overflow in the JavaScript parser allows attackers to cause crashes or potentially execute arbitrary code via crafted scripts.
- 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-2022-557?
OSV-2022-557 is a memory corruption vulnerability in quickjs, published on 10 Jul 2022. 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=48924
Crash type: Heap-buffer-overflow READ 4
Crash state:
emit_goto
js_parse_for_in_of
js_parse_statement_or_decl
Which versions are affected by OSV-2022-557?
1 open source package ship an affected version, including quickjs.
| Package | Affected | Fixed in |
|---|---|---|
quickjs OSS-Fuzz | All versions | None |
How do I fix OSV-2022-557?
No fix has been published for OSV-2022-557 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-2022-557 being exploited?
There is no known exploitation of OSV-2022-557 in the wild and no public exploit code.