OSV-2022-270 Stack-buffer-overflow in fn_ElIn_evaluate
A stack buffer overflow in Ghostscript's fn_ElIn_evaluate function allows attackers to execute arbitrary code or cause denial of service via crafted PDF files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is OSV-2022-270?
OSV-2022-270 is a memory corruption vulnerability in ghostscript, published on 22 Mar 2022.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45886
Crash type: Stack-buffer-overflow WRITE 4
Crash state:
fn_ElIn_evaluate
pdfi_set_transfer
GS_TR
Which versions are affected by OSV-2022-270?
1 open source package ship an affected version, including ghostscript.
| Package | Affected | Fixed in |
|---|---|---|
ghostscript OSS-Fuzz | All versions | None |
How do I fix OSV-2022-270?
No fix has been published for OSV-2022-270 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-2022-270 being exploited?
There is no known exploitation of OSV-2022-270 in the wild and no public exploit code.