CVE-2020-36617 ewxrjk sftpserver parse.c sftp_parse_path uninitialized pointer

Medium 4.6 Published Updated

An uninitialized pointer in the SFTP path parser can cause a crash, requiring specific deployment models to exploit.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-36617?

CVE-2020-36617 is a medium-severity vulnerability in ewxrjk sftpserver, published on 18 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was found in ewxrjk sftpserver. It has been declared as problematic. Affected by this vulnerability is the function sftp_parse_path of the file parse.c. The manipulation leads to uninitialized pointer. The real existence of this vulnerability is still doubted at the moment. The name of the patch is bf4032f34832ee11d79aa60a226cc018e7ec5eed. It is recommended to apply a patch to fix this issue. The identifier VDB-216205 was assigned to this vulnerability. NOTE: In some deployment models this would be a vulnerability. README specifically warns about avoiding such deployment models.

Weakness: CWE-908

Which versions are affected by CVE-2020-36617?

It affects 1 product.

Products include Greenend Sftpserver.

How do I fix CVE-2020-36617?

No fix has been published for CVE-2020-36617 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-36617 being exploited?

There is no known exploitation of CVE-2020-36617 in the wild and no public exploit code.

Sources

Also known as GHSA-55pf-9mrw-9459.

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