CVE-2020-25850 HGiga MailSherlock - Arbitrary File Download

High 8.1 Published Updated

Remote attackers can download arbitrary system files from HGiga MailSherlock due to insufficient input validation in the source code viewing function.

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-2020-25850?

CVE-2020-25850 is a high-severity path traversal vulnerability in HGiga MailSherlock MSR45/SSR45, published on 31 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The function, view the source code, of HGiga MailSherlock does not validate specific characters. Remote attackers can use this flaw to download arbitrary system files.

Which versions are affected by CVE-2020-25850?

It affects 2 products.

Products include Hgiga Msr45 Isherlock-User, Hgiga Ssr45 Isherlock-User.

How do I fix CVE-2020-25850?

No fix has been published for CVE-2020-25850 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-2020-25850 being exploited?

There is no known exploitation of CVE-2020-25850 in the wild and no public exploit code.

Sources

Also known as GHSA-wv77-666p-gm5q.

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