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Vulnerability Details : CVE-2021-21290

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty before version 4.1.59.Final there is a vulnerability on Unix-like systems involving an insecure temp file. When netty's multipart decoders are used local information disclosure can occur via the local system temporary directory if temporary storing uploads on the disk is enabled. On unix-like systems, the temporary directory is shared between all user. As such, writing to this directory using APIs that do not explicitly set the file/directory permissions can lead to information disclosure. Of note, this does not impact modern MacOS Operating Systems. The method "File.createTempFile" on unix-like systems creates a random file, but, by default will create this file with the permissions "-rw-r--r--". Thus, if sensitive information is written to this file, other local users can read this information. This is the case in netty's "AbstractDiskHttpData" is vulnerable. This has been fixed in version 4.1.59.Final. As a workaround, one may specify your own "java.io.tmpdir" when you start the JVM or use "DefaultHttpDataFactory.setBaseDir(...)" to set the directory to something that is only readable by the current user.
Publish Date : 2021-02-08 Last Update Date : 2022-05-12
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- CVSS Scores & Vulnerability Types

CVSS Score
1.9
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 378

- Products Affected By CVE-2021-21290

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
3 Application Netapp Active Iq Unified Manager - * * * Version Details Vulnerabilities
4 Application Netapp Active Iq Unified Manager - * * * Version Details Vulnerabilities
5 Application Netapp Cloud Secure Agent - * * * Version Details Vulnerabilities
6 Application Netapp Snapcenter - * * * Version Details Vulnerabilities
7 Application Netty Netty * * * * Version Details Vulnerabilities
8 Application Oracle Banking Corporate Lending Process Management 14.2.0 * * * Version Details Vulnerabilities
9 Application Oracle Banking Corporate Lending Process Management 14.3.0 * * * Version Details Vulnerabilities
10 Application Oracle Banking Corporate Lending Process Management 14.5.0 * * * Version Details Vulnerabilities
11 Application Oracle Banking Credit Facilities Process Management 14.2.0 * * * Version Details Vulnerabilities
12 Application Oracle Banking Credit Facilities Process Management 14.3.0 * * * Version Details Vulnerabilities
13 Application Oracle Banking Credit Facilities Process Management 14.5.0 * * * Version Details Vulnerabilities
14 Application Oracle Banking Trade Finance Process Management 14.2.0 * * * Version Details Vulnerabilities
15 Application Oracle Banking Trade Finance Process Management 14.3.0 * * * Version Details Vulnerabilities
16 Application Oracle Banking Trade Finance Process Management 14.5.0 * * * Version Details Vulnerabilities
17 Application Oracle Communications Brm - Elastic Charging Engine 12.0.0.3 * * * Version Details Vulnerabilities
18 Application Oracle Communications Design Studio 7.4.2 * * * Version Details Vulnerabilities
19 Application Oracle Communications Messaging Server 8.1 * * * Version Details Vulnerabilities
20 Application Oracle Nosql Database * * * * Version Details Vulnerabilities
21 Application Quarkus Quarkus * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Netapp Active Iq Unified Manager 2
Netapp Cloud Secure Agent 1
Netapp Snapcenter 1
Netty Netty 1
Oracle Banking Corporate Lending Process Management 3
Oracle Banking Credit Facilities Process Management 3
Oracle Banking Trade Finance Process Management 3
Oracle Communications Brm - Elastic Charging Engine 1
Oracle Communications Design Studio 1
Oracle Communications Messaging Server 1
Oracle Nosql Database 1
Quarkus Quarkus 1

- References For CVE-2021-21290

https://lists.apache.org/thread.html/[email protected]%3Cdev.kafka.apache.org%3E
MLIST [kafka-dev] 20210302 [jira] [Resolved] (KAFKA-12389) Upgrade of netty-codec due to CVE-2021-21290
https://security.netapp.com/advisory/ntap-20220210-0011/ CONFIRM
https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E
MLIST [kafka-jira] 20210302 [GitHub] [kafka] omkreddy closed pull request #10235: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290
https://www.oracle.com//security-alerts/cpujul2021.html
N/A N/A
https://www.oracle.com/security-alerts/cpuoct2021.html
https://lists.apache.org/thread.html/[email protected]%3Cusers.activemq.apache.org%3E
MLIST [activemq-users] 20210715 Next ActiveMQ Artemis Release - CVE-2021-21290 vulnerability
https://www.debian.org/security/2021/dsa-4885
DEBIAN DSA-4885
https://www.oracle.com/security-alerts/cpuApr2021.html
https://lists.apache.org/thread.html/[email protected]%3Cissues.zookeeper.apache.org%3E
MLIST [zookeeper-issues] 20210402 [jira] [Commented] (ZOOKEEPER-4272) Upgrade Netty library to > 4.1.60 due to security vulnerability CVE-2021-21295
https://lists.apache.org/thread.html/[email protected]%3Cdev.kafka.apache.org%3E
MLIST [kafka-dev] 20210330 [jira] [Created] (KAFKA-12583) Upgrade of netty-codec due to CVE-2021-21295
https://lists.apache.org/thread.html/[email protected]%3Cdev.zookeeper.apache.org%3E
MLIST [zookeeper-dev] 20210330 [jira] [Created] (ZOOKEEPER-4272) Upgrade Netty library to > 4.1.60 due to security vulnerability CVE-2021-21295
https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E
MLIST [kafka-jira] 20210330 [jira] [Created] (KAFKA-12583) Upgrade of netty-codec due to CVE-2021-21295
https://lists.apache.org/thread.html/[email protected]%3Cissues.zookeeper.apache.org%3E
MLIST [zookeeper-issues] 20210330 [jira] [Created] (ZOOKEEPER-4272) Upgrade Netty library to > 4.1.60 due to security vulnerability CVE-2021-21295
https://lists.apache.org/thread.html/rc0087125cb15b4b78[email protected]%3Cissues.zookeeper.apache.org%3E
MLIST [zookeeper-issues] 20210330 [jira] [Updated] (ZOOKEEPER-4272) Upgrade Netty library to > 4.1.60 due to security vulnerability CVE-2021-21295
https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E
MLIST [kafka-jira] 20210330 [jira] [Updated] (KAFKA-12583) Upgrade of netty-codec due to CVE-2021-21295
https://lists.apache.org/thread.html/[email protected]%3Cissues.bookkeeper.apache.org%3E
MLIST [bookkeeper-issues] 20210330 [GitHub] [bookkeeper] eolivelli opened a new issue #2669: Update Netty to 4.1.60.final
https://lists.apache.org/thread.html/[email protected]%3Ccommits.pulsar.apache.org%3E
MLIST [pulsar-commits] 20210329 [GitHub] [pulsar] merlimat closed issue #10071: CVE-2021-21295 & CVE-2021-21290
https://lists.apache.org/thread.html/[email protected]%3Ccommits.pulsar.apache.org%3E
MLIST [pulsar-commits] 20210329 [GitHub] [pulsar] aahmed-se opened a new pull request #10073: Upgrade Netty version to 4.1.60.final
https://lists.apache.org/thread.html/[email protected]%3Cdev.zookeeper.apache.org%3E
MLIST [zookeeper-dev] 20210311 [jira] [Created] (ZOOKEEPER-4242) Upgrade Netty library to > 4.1.59 due to security vulnerability
https://lists.apache.org/thread.html/[email protected]%3Ccommits.kafka.apache.org%3E
MLIST [kafka-commits] 20210302 [kafka] branch 2.7 updated: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290
https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E
MLIST [kafka-jira] 20210302 [jira] [Resolved] (KAFKA-12389) Upgrade of netty-codec due to CVE-2021-21290
https://lists.apache.org/thread.html/[email protected]%3Cissues.zookeeper.apache.org%3E
MLIST [zookeeper-issues] 20210311 [jira] [Created] (ZOOKEEPER-4242) Upgrade Netty library to > 4.1.59 due to security vulnerability
https://lists.apache.org/thread.html/[email protected]%3Cdev.ranger.apache.org%3E
MLIST [ranger-dev] 20210317 [jira] [Created] (RANGER-3209) Upgrade netty to 4.1.60+ due to CVE-2021-21290 and CVE-2021-21295
https://lists.apache.org/thread.html/[email protected]%3Ccommits.pulsar.apache.org%3E
MLIST [pulsar-commits] 20211020 [GitHub] [pulsar] Shoothzj opened a new pull request #12437: [Security] Bump grpc to 1.41.0
https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E
MLIST [kafka-jira] 20210302 [GitHub] [kafka] dongjinleekr commented on pull request #10235: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290
https://lists.apache.org/thread.html/[email protected]%3Ccommits.pulsar.apache.org%3E
MLIST [pulsar-commits] 20210329 [GitHub] [pulsar] yaswanthnadella opened a new issue #10071: CVE-2021-21295 & CVE-2021-21290
https://lists.apache.org/thread.html/[email protected]%3Cdev.tinkerpop.apache.org%3E
MLIST [tinkerpop-dev] 20210316 [jira] [Created] (TINKERPOP-2535) Netty 4.1.52 flagged as medium security violation
https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E
MLIST [kafka-jira] 20210301 [jira] [Assigned] (KAFKA-12389) Upgrade of netty-codec due to CVE-2021-21290
https://lists.apache.org/thread.html/[email protected]%3Cdev.kafka.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cdev.ranger.apache.org%3E
MLIST [ranger-dev] 20210317 [jira] [Assigned] (RANGER-3209) Upgrade netty to 4.1.60+ due to CVE-2021-21290 and CVE-2021-21295
https://lists.apache.org/thread.html/[email protected]%3Ccommits.kafka.apache.org%3E
MLIST [kafka-commits] 20210302 [kafka] branch 2.6 updated: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290
https://www.oracle.com/security-alerts/cpuapr2022.html
https://github.com/netty/netty/security/advisories/GHSA-5mcr-gq6c-3hq2 CONFIRM
https://github.com/netty/netty/commit/c735357bf29d07856ad171c6611a2e1a0e0000ec
https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E
MLIST [kafka-jira] 20210301 [GitHub] [kafka] dongjinleekr opened a new pull request #10235: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290
https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E
MLIST [kafka-jira] 20210301 [GitHub] [kafka] dongjinleekr commented on pull request #10235: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290
https://lists.apache.org/thread.html/[email protected]%3Cdev.kafka.apache.org%3E
MLIST [kafka-dev] 20210301 [jira] [Created] (KAFKA-12389) Upgrade of netty-codec due to CVE-2021-21290
https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E
MLIST [kafka-jira] 20210301 [jira] [Created] (KAFKA-12389) Upgrade of netty-codec due to CVE-2021-21290
https://lists.debian.org/debian-lts-announce/2021/02/msg00016.html
MLIST [debian-lts-announce] 20210211 [SECURITY] [DLA 2555-1] netty security update

- Metasploit Modules Related To CVE-2021-21290

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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