CVE-2018-7824 Path traversal in Schneider Electric Modbus Serial Driver (For 64-bit Windows OS:V3.17 IE 37 and prior , For 32-bit Windows OS:V2.17 IE 27 and prior, and as part of the Driver Suite version:V14.12 and prior)
An attacker can exploit an externally controlled reference to write to system files, potentially escalating privileges or modifying critical data.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-7824?
CVE-2018-7824 is a medium-severity path traversal vulnerability in Schneider Electric Modbus Serial Driver (For 64-bit Windows OS:V3.17 IE 37 and prior , For 32-bit Windows OS:V2.17 IE 27 and prior, and as part of the Driver Suite version:V14.12 and prior), published on 22 May 2019. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
An Externally Controlled Reference to a Resource (CWE-610) vulnerability exists in Schneider Electric Modbus Serial Driver (For 64-bit Windows OS:V3.17 IE 37 and prior , For 32-bit Windows OS:V2.17 IE 27 and prior, and as part of the Driver Suite version:V14.12 and prior) which could allow write access to system files available only to users with SYSTEM privilege or other important user files.
Weakness: CWE-610
Which versions are affected by CVE-2018-7824?
It affects 2 products.
Products include Schneider-Electric Driver Suite, Schneider-Electric Modbus Serial Driver.
How do I fix CVE-2018-7824?
No fix has been published for CVE-2018-7824 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-2018-7824 being exploited?
There is no known exploitation of CVE-2018-7824 in the wild and no public exploit code.
Sources
Also known as GHSA-r578-gc8q-v9ww.