Out-of-Bounds Affecting mbedtls package, versions <2.2.1-2ubuntu0.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-MBEDTLS-453110
- published13 Feb 2018
- disclosed13 Feb 2018
Introduced: 13 Feb 2018
CVE-2018-0487 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 mbedtls to version 2.2.1-2ubuntu0.3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mbedtls package and not the mbedtls package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is mishandled during RSASSA-PSS signature verification within a TLS or DTLS session.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-0487
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0487
- https://www.debian.org/security/2018/dsa-4138
- https://www.debian.org/security/2018/dsa-4147
- https://security-tracker.debian.org/tracker/CVE-2018-0487
- https://security.gentoo.org/glsa/201804-19
- http://www.securityfocus.com/bid/103056
- https://usn.ubuntu.com/4267-1/