CVE-2020-9708 GHSL-2020-133: Insufficient validation of user input in resolveRepositoryPath function
Attackers can traverse directories to access private Git repositories outside the intended root, leading to unauthorized data disclosure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-9708?
CVE-2020-9708 is a medium-severity path traversal vulnerability in Adobe Helix, published on 14 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The resolveRepositoryPath function doesn't properly validate user input and a malicious user may traverse to any valid Git repository outside the repoRoot. This issue may lead to unauthorized access of private Git repositories as long as the malicious user knows or brute-forces the location of the repository.
Which versions are affected by CVE-2020-9708?
It affects 1 product.
Products include Adobe Git-Server.
How do I fix CVE-2020-9708?
No fix has been published for CVE-2020-9708 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-2020-9708 being exploited?
There is no known exploitation of CVE-2020-9708 in the wild and no public exploit code.
Sources
Also known as GHSA-cgj4-x2hh-2x93.