CyberSecBulletin
CVE-2022-43773NVD status: Modified

Pentaho Business Analytics Server: Incorrect Permission Assignment for Critical Resource

CVE-2022-43773 is a high-severity incorrect permission assignment for critical resource vulnerability in Pentaho Business Analytics Server from Hitachi Vantara, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. The record lists versions 9.3.0.2, 9.4.0.1 as the first without the flaw, so updating Pentaho Business Analytics Server to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 22.2% chance of exploitation within 30 days, which is in the top 2.29% of all scored CVEs.

Patch this week

EPSS places it among the vulnerabilities most likely to be exploited soon.

What to do

  1. Update Pentaho Business Analytics Server to 9.3.0.2 or 9.4.0.1, whichever matches your release line, or a later version.
  2. Update Vantara Pentaho Business Analytics Server to 9.3.0.2 or a later version.
  3. Read the advisory on support.pentaho.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Hitachi VantaraPentaho Business Analytics Server1.0 up to, but not including, 9.3.0.2; 9.4.0.0 up to, but not including, 9.4.0.19.3.0.2, 9.4.0.1
HitachiVantara Pentaho Business Analytics Server8.3.0.0 up to, but not including, 9.3.0.2; 9.4.0.09.3.0.2

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.18.8HighCNA (hitachivantara.com)
CVSS 3.18.8HighNVD

Official description

Hitachi Vantara Pentaho Business Analytics Server prior to versions 9.4.0.1 and 9.3.0.2, including 8.3.x is installed with a sample HSQLDB data source configured with stored procedures enabled.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Incorrect Permission Assignment for Critical Resource

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

How developers prevent this class of flaw

  • When using a critical resource such as a configuration file, check to see if the resource has insecure permissions (such as being modifiable by any regular user), and generate an error or even exit the software if there is a possibility that the resource could have been modified by an unauthorized party.
  • Divide the software into anonymous, normal, privileged, and administrative areas. Reduce the attack surface by carefully defining distinct user groups, privileges, and/or roles. Map these against data, functionality, and the related resources. Then set the permissions accordingly. This will allow you to maintain more fine-grained control over your resources.
  • During program startup, explicitly set the default permissions or umask to the most restrictive setting possible. Also set the appropriate permissions during program installation. This will prevent you from inheriting insecure permissions from any user who installs or runs the program.

More Incorrect Permission Assignment for Critical Resource vulnerabilities (CWE-732)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Pentaho Business Analytics Server

All Pentaho Business Analytics Server vulnerabilities

Recent Incorrect Permission Assignment for Critical Resource vulnerabilities

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