CVE-2018-0487: Buffer Overflow
First published: Mon Feb 12 2018(Updated: )
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.
Credit: security@debian.org security@debian.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ARM mbed TLS | >=1.3.8<1.3.22 | |
| ARM mbed TLS | >=2.1.0<2.1.10 | |
| ARM mbed TLS | >=2.2.0<2.7.0 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| debian/mbedtls | <=2.1.2-1 | 2.7.0-1 2.4.2-1+deb9u2 |
| debian/polarssl | <=1.2.8-1 | 1.3.9-2.1+deb8u3 |
| ubuntu/mbedtls | <2.7.0-2 | 2.7.0-2 |
| ubuntu/mbedtls | <2.2.1-2ubuntu0.3 | 2.2.1-2ubuntu0.3 |
| ubuntu/polarssl | <1.3.9-2.1+ | 1.3.9-2.1+ |
| debian/mbedtls | 2.16.9-0.1 2.28.3-1 2.28.8-1 |
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Reference Links
- http://www.securityfocus.com/bid/103056
- https://security.gentoo.org/glsa/201804-19
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01
- https://usn.ubuntu.com/4267-1/
- https://www.debian.org/security/2018/dsa-4138
- https://www.debian.org/security/2018/dsa-4147
- https://security-tracker.debian.org/tracker/CVE-2018-0488
- https://security-tracker.debian.org/tracker/CVE-2018-0487
- https://security-tracker.debian.org/tracker/CVE-2017-18187
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=890288
- https://launchpad.net/bugs/cve/CVE-2018-0487
- https://github.com/ARMmbed/mbedtls/commit/28a0c727957990ac655cbe40c7eb20b7ef01167d
- https://ubuntu.com/security/notices/USN-4267-1
- https://www.cve.org/CVERecord?id=CVE-2018-0487
- https://nvd.nist.gov/vuln/detail/CVE-2018-0487
- https://ubuntu.com/security/CVE-2018-0487
Frequently Asked Questions
What is CVE-2018-0487?
CVE-2018-0487 is a vulnerability in ARM mbed TLS before versions 1.3.22, 2.1.10, and 2.7.0 that allows remote attackers to execute arbitrary code or cause a denial of service.
How severe is CVE-2018-0487?
CVE-2018-0487 has a severity rating of 9.8 (Critical).
Which software versions are affected by CVE-2018-0487?
ARM mbed TLS versions before 1.3.22, 2.1.10, and 2.7.0 are affected by CVE-2018-0487.
How can I fix CVE-2018-0487?
To fix CVE-2018-0487, upgrade to ARM mbed TLS version 1.3.22, 2.1.10, or 2.7.0.
Where can I find more information about CVE-2018-0487?
You can find more information about CVE-2018-0487 on the following websites: - [Security Focus](http://www.securityfocus.com/bid/103056) - [Gentoo Security Advisory](https://security.gentoo.org/glsa/201804-19) - [ARM mbed TLS Security Advisory](https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01)
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