openSUSE-SU-2022:10154-1 Security update for pngcheck
An attacker can cause a denial of service in pngcheck by providing specially crafted PNG or MNG files, requiring user interaction to open the file.
- 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
- Available
What is openSUSE-SU-2022:10154-1?
openSUSE-SU-2022:10154-1 is a denial of service vulnerability in pngcheck, published on 19 Oct 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
This update for pngcheck fixes the following issues:
pngcheck was updated to 3.0.3:
Version 3.0.1:
- fixed a crash bug (and probable vulnerability) in large (MNG) LOOP chunks
Version 3.0.2:
- fixed a divide-by-zero crash bug (and probable vulnerability) in interlaced images with extra compressed data beyond the nominal end of the image data (found by 'chiba of topsec alpha lab')
Which versions are affected by openSUSE-SU-2022:10154-1?
Linux distribution packages (2)
pngcheck SUSE:Package Hub 15 SP4 | All versions | 3.0.3-bp154.2.3.1 |
pngcheck openSUSE:Leap 15.4 | All versions | 3.0.3-bp154.2.3.1 |
How do I fix openSUSE-SU-2022:10154-1?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is openSUSE-SU-2022:10154-1 being exploited?
There is no known exploitation of openSUSE-SU-2022:10154-1 in the wild and no public exploit code.