CVE-2020-13935
HIGH severity · CVSS 7.5 · CWE-835
7.5CVSS HIGH
Summary
The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)87%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (4)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3EAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.htmlAdvisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10332Advisory
- https://lists.apache.org/thread.html/r4e5d3c09f4dd2923191e972408b40fb8b42dbff0bc7904d44b651e50%40%3Cusers.tomcat.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2020/07/msg00017.htmlAdvisory
- https://security.netapp.com/advisory/ntap-20200724-0003/Advisory
- https://usn.ubuntu.com/4448-1/Advisory