CVE-2020-15572
First published: Wed Jul 15 2020(Updated: )
Tor before 0.4.3.6 has an out-of-bounds memory access that allows a remote denial-of-service (crash) attack against Tor instances built to use Mozilla Network Security Services (NSS), aka TROVE-2020-001.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Torproject Tor | <0.3.5.11 | |
| Torproject Tor | >0.4.2.0<0.4.2.8 | |
| Torproject Tor | >0.4.3.0<0.4.3.6 | |
| Torproject Tor | =0.4.4.0-alpha | |
| Torproject Tor | =0.4.4.1-alpha |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Tor issue?
The vulnerability ID for this Tor issue is CVE-2020-15572.
What is the severity of CVE-2020-15572?
The severity of CVE-2020-15572 is high with a CVSS score of 7.5.
What is the impact of CVE-2020-15572?
CVE-2020-15572 allows a remote attacker to perform a denial-of-service (crash) attack against Tor instances built to use Mozilla Network Security Services (NSS).
Which versions of Tor are affected by CVE-2020-15572?
Tor versions up to and including 0.4.3.6 are affected by CVE-2020-15572.
How can I fix CVE-2020-15572?
To fix CVE-2020-15572, users should update their Tor version to 0.4.3.7 or later.
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/references
- agent/author
- agent/last-modified-date
- agent/severity
- agent/first-publish-date
- agent/tags
- agent/description
- agent/event
- vendor/torproject
- canonical/torproject tor
- version/torproject tor/0.4.4.0-alpha
- version/torproject tor/0.4.4.1-alpha