Information disclosure in Trustedfirmware Trusted_firmware-a
CVE-2017-15031
In all versions of ARM Trusted Firmware up to and including v1.4, not initializing or saving/restoring the PMCR_EL0 register can leak secure world timing information.
Vulnerability class: Information Disclosure
EPSS: 0.019 (77.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Trustedfirmware Trusted_firmware-a
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-15031?
- CVE-2017-15031 is a high-severity vulnerability in Trustedfirmware Trusted_firmware-a, classified under Information Disclosure. CVSS score: 7.5/10. Published 2018-12-18.
- How severe is CVE-2017-15031?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-15031 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.