CVE-2019-19102 Zip Slip vulnerability in 3rd-Party library in B&R Automation Studio upgrade service
Unauthenticated attackers can exploit a Zip Slip vulnerability in the upgrade service to write files to arbitrary local directories.
- 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 CVE-2019-19102?
CVE-2019-19102 is a medium-severity path traversal vulnerability in B&R Automation Studio, published on 29 Apr 2020. 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
A directory traversal vulnerability in SharpZipLib used in the upgrade service in B&R Automation Studio versions 4.0.x, 4.1.x and 4.2.x allow unauthenticated users to write to certain local directories. The vulnerability is also known as zip slip.
Weakness: CWE-22
Which versions are affected by CVE-2019-19102?
It affects 1 product.
Products include Br-Automation Automation Studio.
How do I fix CVE-2019-19102?
No fix has been published for CVE-2019-19102 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2019-19102 being exploited?
There is no known exploitation of CVE-2019-19102 in the wild and no public exploit code.
Other vulnerabilities in B&R Automation Studio
- CVE-2024-0220 B&R products use insufficient communication encryption
- CVE-2021-22282 RCE in B&R Automation Studio with crafted project files
- CVE-2020-24681 Automation Studio and PVI Multiple incorrect permission assignments for services
- CVE-2019-19100 Privilege escalation via B&R Automation Studio upgrade service
- CVE-2021-22280 DLL Hijacking Vulnerability in Automation Studio
Sources
Also known as GHSA-ww7q-w3g7-9cgc.