SB2020032427 - Missing Encryption of Sensitive Data in ARM mbed Crypto
Published: March 24, 2020 Updated: August 8, 2020
Security Bulletin ID
SB2020032427
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Encryption of Sensitive Data (CVE-ID: CVE-2020-10941)
CWE-ID: CWE-311 - Missing Encryption of Sensitive Data
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
Arm Mbed TLS before 2.6.15 allows attackers to obtain sensitive information (an RSA private key) by measuring cache usage during an import.
Remediation
Install update from vendor's website.
References
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5JPE2HFBDJF3UBT6Q4VWLKNKCVCMX25J/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WD6OSOLLAR2AVPJAMGUKWRXN6477IHHV/
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-02