Vulnerability Description
ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows remote attackers to achieve partial plaintext recovery (for a CBC based ciphersuite) via a timing-based side-channel attack. This vulnerability exists because of an incorrect fix (with a wrong SHA-384 calculation) for CVE-2013-0169.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Arm | Mbed Tls | < 2.1.14 |
| Debian | Debian Linux | 8.0 |
References
- https://lists.debian.org/debian-lts-announce/2018/09/msg00029.htmlMailing ListThird Party Advisory
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-MitigationThird Party Advisory
- https://usn.ubuntu.com/4267-1/
- https://www.debian.org/security/2018/dsa-4296Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00029.htmlMailing ListThird Party Advisory
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-MitigationThird Party Advisory
- https://usn.ubuntu.com/4267-1/
- https://www.debian.org/security/2018/dsa-4296Third Party Advisory
FAQ
What is CVE-2018-0497?
CVE-2018-0497 is a vulnerability with a CVSS score of 5.9 (MEDIUM). ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows remote attackers to achieve partial plaintext recovery (for a CBC based ciphersuite) via a timing-based side-channel attack. This vul...
How severe is CVE-2018-0497?
CVE-2018-0497 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-0497?
Check the references section above for vendor advisories and patch information. Affected products include: Arm Mbed Tls, Debian Debian Linux.