External risk intelligence

Oracle Solaris Authentication Vulnerability Impacts Systems

CVE advisoryKnown Exploit

CVE-2020-14871

A vulnerability in Oracle Solaris may allow an unauthenticated attacker with network access to compromise the operating system. This could lead to a takeover of the affected system and impact other connected products. Organizations should identify and address vulnerable Oracle Solaris systems.

3Halo Surface Signal

Out-of-bounds Write

Oracle Solaris

10 to before 11.19

External exposure likelihood

Halo Surface Signal score for CVE-2020-14871

The vulnerability affects the Pluggable Authentication Module (PAM) in Oracle Solaris, often used by network services like SSH. While these services are frequently exposed to the network, they are considered infrastructure-level components rather than dedicated public-facing applications, making exposure dependent on specific network architecture and deployment configuration.

Horizon Alert

Summary of the vulnerability and why it matters

The Oracle Solaris operating system contains a vulnerability within its Pluggable Authentication Module. This flaw allows an attacker with network access to potentially take control of the affected Oracle Solaris system. Such a compromise could have significant consequences for business operations and the systems that rely on this platform.

  • Vulnerable Oracle Solaris systems
  • Unauthenticated network takeover
  • Compromise of business systems

Attack Path

How an attacker could exploit the issue

This vulnerability allows an unauthenticated attacker with network access to compromise the Oracle Solaris operating system. Successful exploitation can lead to the complete takeover of the affected Solaris system, potentially impacting other connected products. This attack is facilitated by easily exploitable conditions within the system's authentication module.

  • Exposed network services
  • Unauthenticated network access
  • Triggering authentication mechanism, leading to system takeover.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability in Oracle Solaris could allow an attacker to take control of an affected system. The attack requires no authentication and can be carried out over a network. If exploited, an attacker could compromise the confidentiality, integrity, and availability of the system and potentially impact other connected products. Organizations using affected versions of Oracle Solaris should consider this a high-priority issue.

  • Attackers with network access.
  • No authentication required.
  • Takeover of affected systems.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

An organization should identify Oracle Solaris systems that are vulnerable to this critical issue. The vulnerability allows an unauthenticated attacker with network access to compromise the system, potentially leading to a full takeover. While specific versions of Solaris are noted as not exploitable, an organization should confirm its patch status across all affected systems.

  • Locate vulnerable Solaris assets.
  • Restrict network access to affected systems.
  • Apply vendor updates and verify fixes.
  • Monitor for related activity.

Frequently asked questions

What is Oracle Solaris and what is its function?

Oracle Solaris is an operating system designed for servers and workstations, recognized for its stability and performance. It is frequently utilized in enterprise environments for essential applications and infrastructure. Versions 10 and 11 of this operating system are impacted by the discussed vulnerability.

What type of weakness does CVE-2020-14871 represent?

CVE-2020-14871 describes a weakness categorized as CWE-787, specifically an out-of-bounds write. This indicates that a program writes data beyond its allocated memory buffer, potentially corrupting adjacent memory and enabling an attacker to gain control of the system.

How can an attacker exploit this vulnerability?

This vulnerability can be exploited by an unauthenticated attacker with network access. The attack targets the Pluggable Authentication Module (PAM) in Oracle Solaris, leading to a complete takeover of the affected system. The scope of the attack is broad, as it can significantly impact additional products beyond Oracle Solaris itself.

What is the significance of CVE-2020-14871 for organizations?

The CVE-2020-14871 vulnerability poses a critical risk, allowing unauthenticated network attackers to compromise Oracle Solaris systems. This could lead to a full system takeover, impacting confidentiality, integrity, and availability. Organizations utilizing affected Solaris versions must address this issue as a high priority. Halo Surface Signal indicates a 'Possible' exposure due to the nature of PAM in network services.

What steps should be taken to respond to this threat?

Organizations should identify all vulnerable Oracle Solaris systems. It is crucial to restrict network access to these systems and promptly apply vendor-provided updates to remediate the vulnerability. Verifying the successful application of fixes and monitoring for any related suspicious activity are also essential response measures.

References