CVE-2017-15361 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

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

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.9