Improper input validation in Trusted Boot Project
CVE-2017-16837
Certain function pointers in Trusted Boot (tboot) through 1.9.6 are not validated and can cause arbitrary code execution, which allows local users to overwrite dynamic PCRs of Trusted Platform Module (TPM) by hooking these function pointers.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Trusted Boot Project — versions 1.9.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceforge.net/p/tboot/code/ci/521c58e51eb5be105a29983742850e72c44ed80e/ (Patch, Third Party Advisory, Issue Tracking)
- www.usenix.org/conference/usenixsecurity18/presentation/han
Frequently asked questions
- What is CVE-2017-16837?
- CVE-2017-16837 is a high-severity vulnerability in Trusted Boot Project, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2017-11-16.
- How severe is CVE-2017-16837?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-16837 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.