| Name | CVE-2017-18187 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4138-1, DSA-4147-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| mbedtls (PTS) | stretch (security), stretch (lts), stretch | 2.4.2-1+deb9u4 | fixed |
| buster (security), buster, buster (lts) | 2.16.9-0~deb10u1 | fixed |
| bullseye | 2.16.9-0.1 | fixed |
| bookworm | 2.28.3-1 | fixed |
| sid, trixie | 3.6.2-3 | fixed |
| polarssl (PTS) | jessie, jessie (lts) | 1.3.9-2.1+deb8u4 | fixed |
The information below is based on the following data on fixed versions.
Notes
[wheezy] - polarssl <not-affected> (vulnerable code not present)
https://github.com/ARMmbed/mbedtls/commit/83c9f495ffe70c7dd280b41fdfd4881485a3bc28