CVE-2017-15031
HIGHCVSS 7.5/10EPSS 1.89%
Last modified
CVE-2017-15031 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.89% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Trustedfirmware | Trusted Firmware-A | <= 2.1 |
References
- http://www.securityfocus.com/bid/106271Third Party Advisory, VDB Entry
- https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-5Patch, Third Party Advisory
- http://www.securityfocus.com/bid/106271Third Party Advisory, VDB Entry
- https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-5Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is 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.
How severe is CVE-2017-15031?
CVE-2017-15031 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.89% probability of exploitation in the next 30 days.
How do I fix CVE-2017-15031?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-15031?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST