Synopsis: Moderate: bash security and bug fix update Advisory ID: SLSA-2017:1931-1 Issue Date: 2017-08-01 CVE Numbers: CVE-2016-0634 CVE-2016-7543 CVE-2016-9401 -- Security Fix(es): * An arbitrary command injection flaw was found in the way bash processed the hostname value. A malicious DHCP server could use this flaw to execute arbitrary commands on the DHCP client machines running bash under specific circumstances. (CVE-2016-0634) * An arbitrary command injection flaw was found in the way bash processed the SHELLOPTS and PS4 environment variables. A local, authenticated attacker could use this flaw to exploit poorly written setuid programs to elevate their privileges under certain circumstances. (CVE-2016-7543) * A denial of service flaw was found in the way bash handled popd commands. A poorly written shell script could cause bash to crash resulting in a local denial of service limited to a specific bash session. (CVE-2016-9401) -- SL7 x86_64 bash-4.2.46-28.el7.x86_64.rpm bash-debuginfo-4.2.46-28.el7.x86_64.rpm bash-doc-4.2.46-28.el7.x86_64.rpm - Scientific Linux Development Team