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Vulnerability Details : CVE-2021-28131

Impala sessions use a 16 byte secret to verify that the session is not being hijacked by another user. However, these secrets appear in the Impala logs, therefore Impala users with access to the logs can use another authenticated user's sessions with specially constructed requests. This means the attacker is able to execute statements for which they don't have the necessary privileges otherwise. Impala deployments with Apache Sentry or Apache Ranger authorization enabled may be vulnerable to privilege escalation if an authenticated attacker is able to hijack a session or query from another authenticated user with privileges not assigned to the attacker. Impala deployments with audit logging enabled may be vulnerable to incorrect audit logging as a user could undertake actions that were logged under the name of a different authenticated user. Constructing an attack requires a high degree of technical sophistication and access to the Impala system as an authenticated user. Mitigation: If an Impala deployment uses Apache Sentry, Apache Ranger or audit logging, then users should upgrade to a version of Impala with the fix for IMPALA-10600. The Impala 4.0 release includes this fix. This hides session secrets from the logs to eliminate the risk of any attack using this mechanism. In lieu of an upgrade, restricting access to logs that expose secrets will reduce the risk of an attack. Restricting access to the Impala deployment to trusted users will also reduce the risk of an attack. Log redaction techniques can be used to redact secrets from the logs.
Publish Date : 2021-07-22 Last Update Date : 2021-08-04
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- CVSS Scores & Vulnerability Types

CVSS Score
6.0
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication ???
Gained Access None
Vulnerability Type(s)
CWE ID 287

- Products Affected By CVE-2021-28131

# Product Type Vendor Product Version Update Edition Language
1 Application Apache Impala * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apache Impala 1

- References For CVE-2021-28131

http://www.openwall.com/lists/oss-security/2021/07/22/3
MLIST [oss-security] 20210722 CVE-2021-28131: Apache Impala: Impala logs contain secrets
https://lists.apache.org/thread.html/rb54f54a91b7abaf1ed772f3a9cec290153c24881b25567b06f1b4a8c@%3Cannounce.apache.org%3E
MLIST [announce] 20210722 CVE-2021-28131: Apache Impala: Impala logs contain secrets
https://lists.apache.org/thread.html/rb54f54a91b7abaf1ed772f3a9cec290153c24881b25567b06f1b4a8c@%3Cuser.impala.apache.org%3E
MLIST [impala-user] 20210722 CVE-2021-28131: Apache Impala: Impala logs contain secrets
https://lists.apache.org/thread.html/rb54f54a91b7abaf1ed772f3a9cec290153c24881b25567b06f1b4a8c%40%3Cuser.impala.apache.org%3E
CONFIRM N/A

- Metasploit Modules Related To CVE-2021-28131

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


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