Impact: Moderate Public Date: 2019-06-21 CWE: CWE-400 Bugzilla: 1723708: CVE-2019-10072 tomcat: HTTP/2 implementation leads to denial of service The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOW_UPDATE messages for the connection window (stream 0) clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-10072 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat JBoss Web Server 5 | tomcat | Affected |
| Red Hat JBoss Fuse 7 | tomcat | Affected |
| Red Hat JBoss Fuse 6 | tomcat | Affected |
| Red Hat JBoss Data Grid 7 | tomcat | Affected |
| Red Hat JBoss BRMS 6 | tomcat | Out of support scope |
| Red Hat JBoss BPMS 6 | tomcat | Out of support scope |
Vulmon