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CVE-2018-2739: Oracle Access Manager: Authentication bypass

CVE-2018-2739 is rated critical with a CVSS v3.0 base score of 9.3 and affects Oracle Access Manager. Per its scoring, it can be exploited over the network, without authentication.

Vulnerability description

Vulnerability in the Oracle Access Manager component of Oracle Fusion Middleware (subcomponent: Web Server Plugin). Supported versions that are affected are 10.1.4.3.0, 11.1.2.3.0 and 12.2.1.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Access Manager, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Access Manager accessible data as well as unauthorized access to critical data or complete access to all Oracle Access Manager accessible data. CVSS 3.0 Base Score 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N).

Severity breakdown

CVSS v3.0 9.3: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: Required. A user must take an action, such as opening a file or following a link.
  • Scope: Changed. Impact reaches beyond the vulnerable component to other resources.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: None. No effect on availability.

Affected products

  • Oracle Access Manager: 10.1.4.3.0; 11.1.2.3.0; 12.2.1.3.0

References