CVE-2021-43980: Race Condition
First published: Wed Sep 28 2022(Updated: )
Apache Tomcat could allow a remote attacker to obtain sensitive information, caused by a long standing concurrency flaw in the simplified implementation of blocking reads and writes. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain Http11Processor instance information, and use this information to launch further attacks against the affected system.
Credit: security@apache.org security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/tomcat9 | <=9.0.31-1~deb10u6 | 9.0.31-1~deb10u10 9.0.43-2~deb11u6 9.0.43-2~deb11u9 9.0.70-2 |
| Apache Tomcat | >=8.5.0<=8.5.77 | |
| Apache Tomcat | >=9.0.0<=9.0.60 | |
| Apache Tomcat | >=10.0.0<=10.0.18 | |
| Apache Tomcat | =10.1.0-milestone1 | |
| Apache Tomcat | =10.1.0-milestone10 | |
| Apache Tomcat | =10.1.0-milestone11 | |
| Apache Tomcat | =10.1.0-milestone12 | |
| Apache Tomcat | =10.1.0-milestone2 | |
| Apache Tomcat | =10.1.0-milestone3 | |
| Apache Tomcat | =10.1.0-milestone4 | |
| Apache Tomcat | =10.1.0-milestone5 | |
| Apache Tomcat | =10.1.0-milestone6 | |
| Apache Tomcat | =10.1.0-milestone7 | |
| Apache Tomcat | =10.1.0-milestone8 | |
| Apache Tomcat | =10.1.0-milestone9 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| IBM IBM® Engineering Requirements Management DOORS | <=9.7.2.7 | |
| IBM IBM® Engineering Requirements Management DOORS Web Access | <=9.7.2.7 | |
| maven/org.apache.tomcat:tomcat | >=10.1.0-M1<10.1.0-M14 | 10.1.0-M14 |
| maven/org.apache.tomcat:tomcat | >=10.0.0-M1<10.0.20 | 10.0.20 |
| maven/org.apache.tomcat:tomcat | >=9.0.0-M1<9.0.62 | 9.0.62 |
| maven/org.apache.tomcat:tomcat | >=8.5.0<8.5.78 | 8.5.78 |
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Reference Links
- https://lists.apache.org/thread/3jjqbsp6j88b198x5rmg99b1qr8ht3g3
- https://github.com/apache/tomcat/commit/170e0f792bd18ff031677890ba2fe50eb7a376c1
- https://github.com/apache/tomcat/commit/4a00b0c0890538b9d3107eef8f2e0afadd119beb
- https://security-tracker.debian.org/tracker/CVE-2021-43980
- http://www.openwall.com/lists/oss-security/2022/09/28/1
- https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html
- https://www.debian.org/security/2022/dsa-5265
- https://exchange.xforce.ibmcloud.com/vulnerabilities/237447
- https://www.ibm.com/support/pages/node/7124058 (Advisory)
- https://nvd.nist.gov/vuln/detail/CVE-2021-43980
- https://github.com/apache/tomcat/commit/17f177eeb7df5938f67ef9ea580411b120195f13
- https://github.com/apache/tomcat/commit/9651b83a1d04583791525e5f0c4c9089f678d9fc
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-8.html
- https://tomcat.apache.org/security-9.html
- https://github.com/advisories/GHSA-jx7c-7mj5-9438 (Advisory)
- collector/security-tracker-debian
- collector/nvd-index
- agent/type
- agent/first-publish-date
- agent/weakness
- agent/description
- collector/ibm-support
- source/IBM
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-jx7c-7mj5-9438
- alias/CVE-2021-43980
- agent/severity
- agent/last-modified-date
- agent/references
- agent/softwarecombine
- agent/event
- collector/nvd-cve
- source/NVD
- agent/author
- agent/tags
- collector/github-advisory
- package-manager/debian
- vendor/apache
- canonical/apache tomcat
- version/apache tomcat/8.5.0
- version/apache tomcat/8.5.77
- version/apache tomcat/9.0.0
- version/apache tomcat/9.0.60
- version/apache tomcat/10.0.0
- version/apache tomcat/10.0.18
- version/apache tomcat/10.1.0-milestone1
- version/apache tomcat/10.1.0-milestone10
- version/apache tomcat/10.1.0-milestone11
- version/apache tomcat/10.1.0-milestone12
- version/apache tomcat/10.1.0-milestone2
- version/apache tomcat/10.1.0-milestone3
- version/apache tomcat/10.1.0-milestone4
- version/apache tomcat/10.1.0-milestone5
- version/apache tomcat/10.1.0-milestone6
- version/apache tomcat/10.1.0-milestone7
- version/apache tomcat/10.1.0-milestone8
- version/apache tomcat/10.1.0-milestone9
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- version/debian debian linux/11.0
- vendor/ibm
- canonical/ibm ibm® engineering requirements management doors
- version/ibm ibm® engineering requirements management doors/9.7.2.7
- canonical/ibm ibm® engineering requirements management doors web access
- version/ibm ibm® engineering requirements management doors web access/9.7.2.7
- package-manager/maven