CVE-2019-10072: 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
This Apache advisory covers CVE-2019-10072 in Apache Tomcat.
- CVE-2019-10072
Key facts
- Weakness
- Denial of Service
- CISA SSVC
- Exploitation: none observed. Automatable: no. Technical impact: partial. CISA, .
- CISA KEV
- Not listed (catalogue checked )
- Affected
- Apache Tomcat Apache Tomcat 9.0.0.M1 to 9.0.19, 8.5.0 to 8.5.40
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
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.
Text from the source record.
- Apache Tomcat Apache Tomcat 9.0.0.M1 to 9.0.19, 8.5.0 to 8.5.40
Official advisory · medium-confidence parse· fetched ·verify at source
How to fix CVE-2019-10072
Workarounds
- 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.
End-of-life dates for Apache Tomcat
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