CVE-2022-26136 in Jira
Summary
by MITRE • 07/20/2022
A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used by first and third party apps. The impact depends on which filters are used by each app, and how the filters are used. This vulnerability can result in authentication bypass and cross-site scripting. Atlassian has released updates that fix the root cause of this vulnerability, but has not exhaustively enumerated all potential consequences of this vulnerability. Atlassian Bamboo versions are affected before 8.0.9, from 8.1.0 before 8.1.8, and from 8.2.0 before 8.2.4. Atlassian Bitbucket versions are affected before 7.6.16, from 7.7.0 before 7.17.8, from 7.18.0 before 7.19.5, from 7.20.0 before 7.20.2, from 7.21.0 before 7.21.2, and versions 8.0.0 and 8.1.0. Atlassian Confluence versions are affected before 7.4.17, from 7.5.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and version 7.21.0. Atlassian Crowd versions are affected before 4.3.8, from 4.4.0 before 4.4.2, and version 5.0.0. Atlassian Fisheye and Crucible versions before 4.8.10 are affected. Atlassian Jira versions are affected before 8.13.22, from 8.14.0 before 8.20.10, and from 8.21.0 before 8.22.4. Atlassian Jira Service Management versions are affected before 4.13.22, from 4.14.0 before 4.20.10, and from 4.21.0 before 4.22.4.
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Analysis
by VulDB Data Team • 10/03/2024
This vulnerability represents a critical security flaw in multiple Atlassian products that allows remote, unauthenticated attackers to bypass servlet filters implemented by both first and third-party applications. The technical root cause lies in the improper handling of HTTP requests within the application framework, specifically in how the system processes and validates incoming requests before they reach the intended filtering mechanisms. This weakness creates a pathway for attackers to circumvent security controls that should normally be enforced by various filter components. The vulnerability operates at the application layer and affects the core request processing pipeline, making it particularly dangerous as it can undermine fundamental security controls. The impact varies significantly depending on the specific filters implemented by individual applications and how those filters are configured within their respective environments. According to CWE-287, this vulnerability aligns with improper authentication issues where the system fails to properly validate user credentials or request origins. The operational implications extend beyond simple authentication bypass to include potential cross-site scripting attacks, which represents a significant escalation in threat surface. This dual nature of the vulnerability means that an attacker could not only gain unauthorized access to systems but could also inject malicious scripts into web pages viewed by other users. The affected product versions span multiple major releases across Atlassian's portfolio, indicating this was a widespread issue that required coordinated patching efforts across their entire product ecosystem.
The vulnerability's exploitation potential is particularly concerning given that it requires no authentication credentials from the attacker, making it accessible to anyone who can reach the affected applications. This characteristic places it squarely within the ATT&CK framework's initial access and privilege escalation categories, specifically mapping to techniques involving exploitation of vulnerabilities and credential access. The fact that this affects both first-party and third-party applications within the Atlassian ecosystem means that the security posture of an organization using these products is only as strong as the weakest link in their implementation chain. Organizations running affected versions of Atlassian products face significant risk of unauthorized access to sensitive data, system compromise, and potential lateral movement within their networks. The vulnerability's presence in core products like Jira, Confluence, and Bamboo means that organizations could face widespread impact across their development, collaboration, and project management infrastructure. The patching process required by Atlassian demonstrates the severity of the issue, as these updates address fundamental architectural flaws rather than simple configuration issues. Security teams must consider the broader implications of this vulnerability when assessing their risk posture, particularly in environments where multiple Atlassian products are integrated and where third-party applications rely on the platform's security controls.
Organizations should prioritize immediate patching of all affected versions according to Atlassian's release notes and security advisories, as the vulnerability provides direct pathways to unauthorized system access and data exfiltration. The remediation process should include comprehensive testing of patched environments to ensure that existing functionality remains intact while the security flaws are eliminated. Security monitoring should be enhanced to detect potential exploitation attempts, including unusual access patterns and attempts to bypass authentication mechanisms. The vulnerability's impact on cross-site scripting capabilities means that organizations should also implement enhanced content security policies and web application firewalls to mitigate potential script injection attacks. Additionally, organizations should conduct thorough inventory audits to identify all instances of affected Atlassian products within their environment, including any third-party integrations that may be vulnerable. Implementation of network segmentation and access controls around Atlassian applications can provide additional defense-in-depth measures. The vulnerability's nature as a filter bypass issue suggests that organizations should review their existing security configurations and validate that all authentication and authorization controls are properly implemented. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications and systems within the organization's infrastructure. This vulnerability underscores the importance of maintaining up-to-date security patches and the critical need for comprehensive vulnerability management programs that can quickly respond to emerging threats across complex software ecosystems.