CVE-2019-9896 Path traversal in n/a

What is CVE-2019-9896?

CVE-2019-9896 is a high-severity path traversal vulnerability in Opensuse Backports Sle, published on 21 Mar 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In PuTTY versions before 0.71 on Windows, local attackers could hijack the application by putting a malicious help file in the same directory as the executable.

Weakness: CWE-427

Which versions are affected by CVE-2019-9896?

It affects 3 products.

Products include Opensuse Backports Sle, Opensuse Leap, Putty Putty.

How do I fix CVE-2019-9896?

Upgrade to a fixed version.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2019-9896 being exploited?

There is no known exploitation of CVE-2019-9896 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Opensuse Backports Sle

• CVE-2020-12641 Roundcube Webmail Remote Code Execution Exploited Critical 9.8
• CVE-2020-12640 Path traversal in n/a Critical 9.8
• CVE-2020-8233 Command injection in EdgeSwitch firmware v1.9.0 and prior High 8.8
• CVE-2020-8026 inn: non-root owned files High 8.4
• CVE-2020-15229 Path traversal and files overwrite with unsquashfs High 8.2

All Opensuse Backports Sle vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-x5pv-35h7-pm8q.