CVE-2021-30129: DoS/OOM leak vulnerability in Apache Mina SSHD Server
First published: Mon Jul 12 2021(Updated: )
A vulnerability in sshd-core of Apache Mina SSHD allows an attacker to overflow the server causing an OutOfMemory error. This issue affects the SFTP and port forwarding features of Apache Mina SSHD version 2.0.0 and later versions. It was addressed in Apache Mina SSHD 2.7.0
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/eap7-apache-sshd | <0:2.7.0-1.redhat_00001.1.el8ea | 0:2.7.0-1.redhat_00001.1.el8ea |
| redhat/eap7-apache-sshd | <0:2.7.0-1.redhat_00001.1.el7ea | 0:2.7.0-1.redhat_00001.1.el7ea |
| redhat/mina-sshd | <2.7.0 | 2.7.0 |
| Apache Sshd | >=2.0.0<2.7.0 | |
| Oracle Banking Payments | =14.5 | |
| Oracle Banking Trade Finance | =14.5 | |
| Oracle Banking Treasury Management | =14.5 | |
| Oracle Communications Cloud Native Core Console | =1.9.0 | |
| Oracle FLEXCUBE Universal Banking | >=14.0.0<=14.3.0 | |
| Oracle FLEXCUBE Universal Banking | =14.5 | |
| Oracle Middleware Common Libraries And Tools | =12.2.1.3.0 | |
| Oracle Middleware Common Libraries And Tools | =12.2.1.4.0 | |
| Oracle Middleware Common Libraries And Tools | =14.1.1.0.0 | |
| Oracle OSS Support Tools | =2.12.42 | |
| Oracle Retail Customer Management and Segmentation Foundation | =18.0 | |
| Oracle Retail Customer Management and Segmentation Foundation | =19.0 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2021-30129 https://nvd.nist.gov/vuln/detail/CVE-2021-30129
- https://bugzilla.redhat.com/show_bug.cgi?id=1981527
- https://access.redhat.com/errata/RHSA-2022:1013
- https://access.redhat.com/errata/RHSA-2021:4679
- https://access.redhat.com/errata/RHSA-2021:4677
- https://access.redhat.com/errata/RHSA-2021:4676
- https://access.redhat.com/errata/RHSA-2021:5134
- https://access.redhat.com/errata/RHSA-2023:4983
- https://access.redhat.com/security/cve/cve-2021-30129
- https://lists.apache.org/thread.html/r6d4f78e192a0c8eabd671a018da464024642980ecd24096bde6db36f%40%3Cusers.mina.apache.org%3E
- https://lists.apache.org/thread.html/r6d4f78e192a0c8eabd671a018da464024642980ecd24096bde6db36f@%3Cusers.mina.apache.org%3E
- https://github.com/apache/mina-sshd/pull/181/commits/5b5bd1dcfa0c2fc250e079e1ebcd643b51f735eb
- https://github.com/apache/mina-sshd/pull/181/commits/f9b2f236e6a663011b50bd7e9a41ec90e6b94831
- https://github.com/apache/mina-sshd/pull/181
- https://access.redhat.com/support/policy/updates/jboss_notes
- http://www.openwall.com/lists/oss-security/2021/07/12/1
- https://lists.apache.org/thread.html/red01829efa2a8c893c4baff4f23c9312bd938543a9b8658e172b853b@%3Cannounce.apache.org%3E
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://lists.apache.org/thread.html/red01829efa2a8c893c4baff4f23c9312bd938543a9b8658e172b853b%40%3Cannounce.apache.org%3E
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2021-30129?
The severity of CVE-2021-30129 is medium.
Which versions of Apache Mina SSHD are affected by CVE-2021-30129?
Apache Mina SSHD version 2.0.0 and later versions are affected by CVE-2021-30129.
How can an attacker exploit CVE-2021-30129?
An attacker can exploit CVE-2021-30129 by overflowing the server, causing an OutOfMemory error.
Has CVE-2021-30129 been fixed?
Yes, CVE-2021-30129 has been fixed in Apache Mina SSHD 2.7.0.
Where can I find more information about CVE-2021-30129?
You can find more information about CVE-2021-30129 in the references: [Reference 1](https://lists.apache.org/thread.html/r6d4f78e192a0c8eabd671a018da464024642980ecd24096bde6db36f%40%3Cusers.mina.apache.org%3E), [Reference 2](https://lists.apache.org/thread.html/r6d4f78e192a0c8eabd671a018da464024642980ecd24096bde6db36f@%3Cusers.mina.apache.org%3E), [Reference 3](https://github.com/apache/mina-sshd/pull/181/commits/5b5bd1dcfa0c2fc250e079e1eb).
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