IBM Aspera Faspex <4.4.2 PL2 YAML Deserialization RCE
CVE-2022-47986 Published on February 17, 2023

IBM Aspera Faspex code execution
IBM Aspera Faspex 4.4.2 Patch Level 1 and earlier could allow a remote attacker to execute arbitrary code on the system, caused by a YAML deserialization flaw. By sending a specially crafted obsolete API call, an attacker could exploit this vulnerability to execute arbitrary code on the system. The obsolete API call was removed in Faspex 4.4.2 PL2. IBM X-Force ID: 243512.

Vendor Advisory NVD

Known Exploited Vulnerability

This IBM Aspera Faspex Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. IBM Aspera Faspex could allow a remote attacker to execute code on the system, caused by a YAML deserialization flaw.

The following remediation steps are recommended / required by March 14, 2023: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2022-47986 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Marshaling, Unmarshaling Vulnerability?

The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

CVE-2022-47986 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.


Products Associated with CVE-2022-47986

Want to know whenever a new CVE is published for IBM Aspera Faspex? stack.watch will email you.

IBM Aspera Faspex
 

Affected Versions

IBM Aspera Faspex Version 4.4.2 Patch Level 1 and earlier is affected by CVE-2022-47986

Exploit Probability

EPSS
94.35%
Percentile
99.96%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.