External risk intelligence

Koha library system lets attackers steal or change data because it's missing security.

CVE advisorySeverity: CRITICAL (CVSS 9.4)

CVE-2022-0495

Koha library software has a critical flaw letting attackers steal or change data without logging in. This fix is urgent for any library using this system.

4Halo Surface Signal

SQL Injection

Parantezteknoloji Koha Library Automation

before 19.05.03.01

External exposure likelihood

Halo Surface Signal score for CVE-2022-0495

Koha is a library automation system that commonly utilizes a web interface for public access to library catalogs and patron services. The vulnerability is accessible via an unauthenticated web endpoint, making it reachable by external attackers in common deployments where the application is exposed to the internet to facilitate user catalog searching and account management.

Horizon Alert

Summary of the vulnerability and why it matters

This vulnerability in the KOHA library automation system allows an attacker to inject malicious SQL commands without needing to log in. This could lead to unauthorized access to or modification of sensitive library data.

  • Can expose sensitive library data.
  • Affects unauthenticated users of the system.
  • Potentially impacts system availability.

Attack Path

How an attacker could exploit the issue

An unauthenticated attacker can exploit this SQL injection flaw by sending specially crafted requests to the vulnerable KOHA library automation system. This could allow them to read, modify, or delete sensitive data within the system's database, potentially leading to significant data breaches and system compromise.

  • No authentication needed.
  • Target web interface.
  • Database access gained.

Live Threat

Current exploitation, exposure, and threat context

This unauthenticated SQL injection vulnerability in KOHA Library Automation systems is likely to attract attackers due to its exploitable nature over the network. The lack of authentication means any internet-facing instance could be a target for data theft or manipulation.

  • SQL injection is a known attack type.
  • Unauthenticated network access is a strong draw.
  • The vulnerability is fixed.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize patching unauthenticated SQL injection in Koha Library Automation to version 19.05.03.01, as this critical vulnerability is accessible via network and allows unauthenticated attackers to compromise data. If immediate patching is not feasible, consider network segmentation or Web Application Firewall (WAF) rules to block suspicious SQL query patterns.

  • Patch to version 19.05.03.01.
  • Implement WAF rules for SQL injection.
  • Monitor for anomalous database activity.

Frequently asked questions

What is the Koha library automation system affected by CVE-2022-0495?

Koha is an open-source library management system used by libraries to automate tasks like cataloging, circulation, and patron management. It helps libraries organize their collections and provide services to their users.

How does CVE-2022-0495 vulnerability affect Koha systems?

CVE-2022-0495 is an unauthenticated SQL injection vulnerability. This weakness, classified as CWE-89, allows an attacker to insert malicious SQL code into database queries, potentially leading to unauthorized access, modification, or deletion of sensitive data within the library's system.

What conditions allow an attacker to trigger the CVE-2022-0495 vulnerability?

An attacker can exploit this vulnerability by sending specially crafted requests to the Koha system's web interface without needing any prior authentication. The bug is not triggered if the system is running version 19.05.03.01 or later.

Who needs to care about the CVE-2022-0495 threat in Koha?

Organizations using the Koha library automation system, particularly those with internet-facing instances, should be concerned. Because this vulnerability is accessible over the network without authentication, it poses a risk to data and system integrity.

What is the first step for responding to CVE-2022-0495 in Koha?

The primary step is to update the Koha library automation system to version 19.05.03.01 or a later version to remediate this vulnerability.

References