[월:] 2020년 01월

USN-4245-1: PySAML2 vulnerability python-pysaml2 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary PySAML2 could be made to bypass signature verification with arbitrary data. Software Description python-pysaml2 – Pure python implementation of SAML2 Details It was discovered that PySAML2 incorrectly handled certain SAML files. An attacker could possibly use this issue to bypass signature verification with arbitrary data. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 python-pysaml2 – 4.5.0+dfsg1-0ubuntu2.19.10.1 python3-pysaml2 – 4.5.0+dfsg1-0ubuntu2.19.10.1 Ubuntu 19.04 python-pysaml2 – 4.5.0+dfsg1-0ubuntu2.19.04.1 python3-pysaml2 – 4.5.0+dfsg1-0ubuntu2.19.04.1 Ubuntu 18.04 LTS python-pysaml2 – 4.0.2-0ubuntu3.1 python3-pysaml2 – 4.0.2-0ubuntu3.1 Ubuntu 16.04 LTS python-pysaml2 – 3.0.0-3ubuntu1.16.04.4 python3-pysaml2 – 3.0.0-3ubuntu1.16.04.4 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all [ more… ]

USN-4244-1: Samba vulnerabilities samba vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Several security issues were fixed in Samba. Software Description samba – SMB/CIFS file, print, and login server for Unix Details It was discovered that Samba did not automatically replicate ACLs set to inherit down a subtree on AD Directory, contrary to expectations. This issue was only addressed in Ubuntu 18.04 LTS, Ubuntu 19.04 and Ubuntu 19.10. (CVE-2019-14902) Robert Święcki discovered that Samba incorrectly handled certain character conversions when the log level is set to 3 or above. In certain environments, a remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2019-14907) Christian Naumer discovered that Samba incorrectly handled DNS zone scavenging. This issue could [ more… ]