Quantum Secular Labs / Blog / Advisories

CVE-2018-5190: Picturespro: Reliance on Cookies without Validation and Integrity Checking

CVE-2018-5190 is rated critical with a CVSS v3.0 base score of 9.8 and affects Picturespro. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

PicturesPro Photo Cart 6 and 7 before Security-Patch-2018-B allows remote attackers to access arbitrary customer accounts via a modified cookie, related to pc_head.php, pc_login.php, and pc_login_page.php.

Severity breakdown

CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • 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: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • 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: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-565: Reliance on Cookies without Validation and Integrity Checking

The product relies on the existence or values of cookies when performing security-critical operations, but it does not properly ensure that the setting is valid for the associated user.

Affected products

  • Picturespro: up to and including 7.1.0

References