Arch Linux: 201601-29 Medium: Mbedtls Man-In-The-Middle Risk Advisory

Arch Linux Security Advisory ASA-201601-29
=========================================
Severity: Medium
Date    : 2016-01-25
CVE-ID  : CVE-2015-7575
Package : mbedtls
Type    : man-in-the-middle
Remote  : Yes
Link    : https://wiki.archlinux.org/title/CVE

Summary
======
The package mbedtls before version 2.2.1-1 is vulnerable to
man-in-the-middle.

Resolution
=========
Upgrade to 2.2.1-1.

# pacman -Syu "mbedtls>=2.2.1-1"

The problem has been fixed upstream in version 2.2.1.

Workaround
=========
None.

Description
==========
mbedTLS before 2.2.1 is vulnerable to the SLOTH attack, breaking MD5
signatures potentially used during TLS 1.2 handshakes to impersonate a
TLS server.

Impact
=====
A remote attacker might be able to impersonate a TLS server, acting as a
man-in-the-middle.

References
=========
https://bugs.archlinux.org/task/47783
https://access.redhat.com/security/cve/CVE-2015-7575

https://www.trustedfirmware.org/projects/mbed-tls/