Updated mbedtls packages are available for Arch Linux to address a vulnerable to arbitrary code execution
Arch Linux Security Advisory ASA-201802-15Mbedtls Security Update for Arch Linux
==========================================
Severity: High
Date : 2018-02-24
CVE-ID : CVE-2018-0487 CVE-2018-0488
Package : mbedtls
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-617
Summary
=======
The package mbedtls before version 2.7.0-1 is vulnerable to arbitrary
code execution.
Resolution
==========
Upgrade to 2.7.0-1.
# pacman -Syu "mbedtls>=2.7.0-1"
The problems have been fixed upstream in version 2.7.0.
Workaround
==========
None.
Description
===========
- CVE-2018-0487 (arbitrary code execution)
ARM mbed TLS 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.
- CVE-2018-0488 (arbitrary code execution)
ARM mbed TLS before 2.7.0, when the truncated HMAC extension and CBC
are used, allows remote attackers to execute arbitrary code or cause a
denial of service (heap corruption) via a crafted application packet
within a TLS or DTLS session.
Impact
======
A remote attacker is able to execute arbitrary code on the affected
host.
References
==========
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01
https://security.archlinux.org/CVE-2018-0487
https://security.archlinux.org/CVE-2018-0488