Arch Linux Security Advisory ASA-201601-23 ========================================== Severity: Medium Date : 2016-01-25 CVE-ID : CVE-2016-1494 Package : python-rsa Type : signature forgery Remote : Yes Link : https://wiki.archlinux.org/index.php/CVE Summary ======= The package python-rsa before version 3.3-1 is vulnerable to signature forgery. Resolution ========== Upgrade to 3.3-1. # pacman -Syu "python-rsa>=3.3-1" The problem has been fixed upstream in version 3.3. Workaround ========== None. Description =========== The verify function in the RSA package for Python (Python-RSA) before 3.3 allows attackers to spoof signatures with a small public exponent via crafted signature padding, aka a BERserk attack. Impact ====== A remote attacker is able to spoof certain signatures via crafted signature padding. References ========== https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-1494 https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/ https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-a...