Actively exploited · Published Feb 17, 2023 · Assigned by ibm
CVE-2022-47986IBM Aspera Faspex code execution
Critical 9.8 Exploited Ransomware
In plain English
A critical-severity unsafe deserialization in Aspera Faspex from IBM. Attackers are actively exploiting it in the wild (listed by CISA on February 21, 2023). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 100.0% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Mar 14, 2023.
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | Aspera Faspex | 4.4.2 Patch Level 1 and earlier |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.ibm.com/support/pages/node/6952319 vendor-advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/243512 vdb-entry
- http://packetstormsecurity.com/files/171772/IBM-Aspera-Faspex-4.4.1-YAML-Deserialization.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-47986 government-resource