Vulnerability in Fujitsu Paperstream Ip \(Twain\)
CVE-2018-16156
In PaperStream IP (TWAIN) 1.42.0.5685 (Service Update 7), the FJTWSVIC service running with SYSTEM privilege processes unauthenticated messages received over the FjtwMkic_Fjicube_32 named pipe. One of these message processing functions attempts to dynamically load the UninOldIS.dll library and executes an exported function named ChangeUninstallString. The default install does not contain this library and therefore if any DLL with that name exists in any directory listed in the PATH variable, it can be used to escalate to SYSTEM level privilege.
EPSS: 0.026 (83.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Fujitsu Paperstream_ip_\(twain\) — versions 1.42.0.5685
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-16156?
- CVE-2018-16156 is a high-severity vulnerability in Fujitsu Paperstream Ip \(Twain\), classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2019-05-17.
- How severe is CVE-2018-16156?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-16156 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.