CVE-2017-15361

Description

The Infineon RSA library 1.02.013 in Infineon Trusted Platform Module (TPM) firmware, such as versions before 0000000000000422 - 4.34, before 000000000000062b - 6.43, and before 0000000000008521 - 133.33, mishandles RSA key generation, which makes it easier for attackers to defeat various cryptographic protection mechanisms via targeted attacks, aka ROCA. Examples of affected technologies include BitLocker with TPM 1.2, YubiKey 4 (before 4.3.5) PGP key generation, and the Cached User Data encryption feature in Chrome OS.

5.9

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 73.44% Top 5%

Vendor Advisory infineon.com

Affected: n/a n/a

References

Link	Tags
https://www.infineon.com/cms/en/product/promopages/tpm-update/?redirId=59160	mitigation vendor advisory
https://dan.enigmabridge.com/roca-vulnerability-impact-on-gemalto-idprime-net-smart-cards/	third party advisory issue tracking
https://blog.cr.yp.to/20171105-infineon.html
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03801en_us
https://monitor.certipath.com/rsatest	mitigation third party advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-058-01
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV170012	patch third party advisory issue tracking
https://crocs.fi.muni.cz/public/papers/rsa_ccs17	mitigation third party advisory issue tracking
https://arstechnica.com/information-technology/2017/10/crypto-failure-cripples-millions-of-high-security-keys-750k-estonian-ids/	third party advisory issue tracking
http://support.lenovo.com/us/en/product_security/LEN-15552	mitigation third party advisory
https://security.netapp.com/advisory/ntap-20171024-0001/
https://github.com/iadgov/Detect-CVE-2017-15361-TPM	mitigation third party advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00104.html
https://www.kb.cert.org/vuls/id/307015	us government resource mitigation third party advisory issue tracking
https://github.com/crocs-muni/roca	mitigation third party advisory
https://sites.google.com/a/chromium.org/dev/chromium-os/tpm_firmware_update	patch mitigation third party advisory issue tracking
https://cert-portal.siemens.com/productcert/pdf/ssa-470231.pdf
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03789en_us
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00148.html
https://www.yubico.com/support/security-advisories/ysa-2017-01/	mitigation third party advisory
http://www.securityfocus.com/bid/101484	third party advisory vdb entry
https://keychest.net/roca	mitigation third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-15361?: CVE-2017-15361 has been scored as a medium severity vulnerability.
How to fix CVE-2017-15361?: To fix CVE-2017-15361, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-15361 being actively exploited in the wild?: It is possible that CVE-2017-15361 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~73% probability that this vulnerability will be exploited by malicious actors in the next 30 days.