Integer Overflow or Wraparound Affecting polarssl package, versions *
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UBUNTU1404-POLARSSL-344551
- published14 Feb 2018
- disclosed14 Feb 2018
Introduced: 14 Feb 2018
CVE-2017-18187 (opens in a new tab)How to fix?
There is no fixed version for Ubuntu:14.04 polarssl.
NVD Description
Note: Versions mentioned in the description apply only to the upstream polarssl package and not the polarssl package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
In ARM mbed TLS before 2.7.0, there is a bounds-check bypass through an integer overflow in PSK identity parsing in the ssl_parse_client_psk_identity() function in library/ssl_srv.c.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-18187
- https://github.com/ARMmbed/mbedtls/blob/master/ChangeLog
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18187
- https://www.debian.org/security/2018/dsa-4138
- https://www.debian.org/security/2018/dsa-4147
- https://security-tracker.debian.org/tracker/CVE-2017-18187
- https://security.gentoo.org/glsa/201804-19
- https://github.com/ARMmbed/mbedtls/commit/83c9f495ffe70c7dd280b41fdfd4881485a3bc28
- http://www.securityfocus.com/bid/103055
- https://usn.ubuntu.com/4267-1/