Parallels Access 6.5.4 Symbolic Links toctou

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$0-$5k0.00

Overview

A vulnerability was found in Parallels Access 6.5.4. It has been classified as critical. Affected is an unknown function of the component Symbolic Links Handler. The manipulation leads to time-of-check time-of-use. Using CWE to declare the problem leads to CWE-367. The weakness was disclosed 07/19/2022. The advisory is available at zerodayinitiative.com. This vulnerability is traded as CVE-2022-34899. It is possible to launch the attack remotely. There are no technical details available. There is no exploit available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment. It is declared as not defined. As 0-day the estimated underground price was around $0-$5k. A possible mitigation has been published before and not just after the disclosure of the vulnerability. [Details]

Activities

Activities

IOC - Indicator of Compromise (5)

These indicators of compromise highlight associated network ranges which are known to be part of research and attack activities.

IDIP rangeActorTypeConfidence
15.39.30.0/24SilencepredictiveHigh
2xx.xxx.xxx.xXxxxxxxpredictiveHigh
3xxx.xx.xx.xXxxxxxxpredictiveHigh
4xxx.xx.xxx.xXxxxxxxpredictiveHigh
5xxx.xxx.xxx.xXxxxxxxpredictiveHigh

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