CVE-2020-10593 Denial of service in n/a

What is CVE-2020-10593?

CVE-2020-10593 is a high-severity denial of service vulnerability in Opensuse Backports Sle, published on 23 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tor before 0.3.5.10, 0.4.x before 0.4.1.9, and 0.4.2.x before 0.4.2.7 allows remote attackers to cause a Denial of Service (memory leak), aka TROVE-2020-004. This occurs in circpad_setup_machine_on_circ because a circuit-padding machine can be negotiated twice on the same circuit.

Weakness: CWE-401

Which versions are affected by CVE-2020-10593?

It affects 3 products.

Products include Opensuse Backports Sle, Opensuse Leap, Torproject Tor.

How do I fix CVE-2020-10593?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-10593 being exploited?

There is no known exploitation of CVE-2020-10593 in the wild and no public exploit code.

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 DEBIAN-CVE-2020-10593, GHSA-v9h5-mm27-9j99.