Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-m7jv-hq7h-mq7c
Advisory ID github_osv/GHSA-m7jv-hq7h-mq7c
Aliases CVE-2020-13935
Summary Infinite Loop in Apache Tomcat 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.
Status Published
Exploitability 2.0
Weighted Severity 6.8
Risk 10.0
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
System Score Found at
cvssv3.1 7.5 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-m7jv-hq7h-mq7c/GHSA-m7jv-hq7h-mq7c.json
generic_textual HIGH
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html
https://github.com/apache/tomcat
https://github.com/apache/tomcat/commit/12d715676038efbf9c728af10163f8277fc019d5
https://github.com/apache/tomcat/commit/1c1c77b0efb667cea80b532440b44cea1dc427c3
https://github.com/apache/tomcat/commit/40fa74c74822711ab878079d0a69f7357926723d
https://github.com/apache/tomcat/commit/4c04982870d6e730c38e21e58fb653b7cf723784
https://github.com/apache/tomcat/commit/f9f75c14678b68633f79030ddf4ff827f014cc84
https://kc.mcafee.com/corporate/index?page=content&id=SB10332
https://lists.apache.org/thread.html/r4e5d3c09f4dd2923191e972408b40fb8b42dbff0bc7904d44b651e50@%3Cusers.tomcat.apache.org%3E
https://lists.apache.org/thread.html/r4e5d3c09f4dd2923191e972408b40fb8b42dbff0bc7904d44b651e50%40%3Cusers.tomcat.apache.org%3E
https://lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3E
https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html
https://security.netapp.com/advisory/ntap-20200724-0003
https://tomcat.apache.org/security-10.html
https://tomcat.apache.org/security-7.html
https://tomcat.apache.org/security-8.html
https://tomcat.apache.org/security-9.html
https://usn.ubuntu.com/4448-1
https://usn.ubuntu.com/4596-1
https://www.debian.org/security/2020/dsa-4727
https://www.oracle.com/security-alerts/cpujan2021.html
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com/security-alerts/cpuoct2020.html
cpuApr2021.html Other https://www.oracle.com/security-alerts/cpuApr2021.html
cpuapr2022.html Other https://www.oracle.com/security-alerts/cpuapr2022.html
cpujan2022.html Other https://www.oracle.com/security-alerts/cpujan2022.html
cpuoct2021.html Other https://www.oracle.com/security-alerts/cpuoct2021.html
CVE-2020-13935 https://nvd.nist.gov/vuln/detail/CVE-2020-13935
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-m7jv-hq7h-mq7c/GHSA-m7jv-hq7h-mq7c.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.