Ubuntu Security Notice 4171-6 - USN-4171-1 fixed vulnerabilities in Apport. The update caused a regression when handling configuration files. This update fixes the problem, and also introduces further hardening measures. Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user. This could be used by a local attacker to possibly crash Apport or have other unspecified consequences. Sander Bos discovered a race-condition in Apport during core dump creation. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. Sander Bos discovered Apport mishandled crash dumps originating from containers. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. Sander Bos discovered Apport mishandled lock-file creation. This could be used by a local attacker to cause a denial of service against Apport. Kevin Backhouse discovered Apport read various process-specific files with elevated privileges during crash dump generation. This could could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. Various other issues were also addressed.
fb76d84438640d2aad14467c1806547c171cdec6f006c98985e84b48f76a30eeUbuntu Security Notice 4171-5 - USN-4171-1 fixed vulnerabilities in Apport. This caused a regression in autopkgtest and python2 compatibility. This update fixes the problem. Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user. This could be used by a local attacker to possibly crash Apport or have other unspecified consequences. Sander Bos discovered a race-condition in Apport during core dump creation. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. Sander Bos discovered Apport mishandled crash dumps originating from containers. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. Sander Bos discovered Apport mishandled lock-file creation. This could be used by a local attacker to cause a denial of service against Apport. Kevin Backhouse discovered Apport read various process-specific files with elevated privileges during crash dump generation. This could could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. Various other issues were also addressed.
75bef91aa3e4884192cffeb9817cb1afc24784b2d7d29e5bed569257728aa0f2Ubuntu Security Notice 4171-4 - USN-4171-2 fixed a vulnerability in Apport. The update caused a regression in the Python Apport library. This update fixes the problem for Ubuntu 14.04 ESM. Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user. This could be used by a local attacker to possibly crash Apport or have other unspecified consequences. Various other issues were also addressed.
81caad2d46344b540abb520d2403bf96350e49f383817970934e6e91fd5bd73fUbuntu Security Notice 4171-3 - USN-4171-1 fixed vulnerabilities in Apport. The update caused a regression in the Python Apport library. This update fixes the problem. Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user. This could be used by a local attacker to possibly crash Apport or have other unspecified consequences. Various other issues were also addressed.
96f750c6e9b3e3e67dd29ea832ab6e5faf8732a5a2359aecf00407b69bd6837fUbuntu Security Notice 4171-2 - USN-4171-1 fixed several vulnerabilities in apport. This update provides the corresponding update for Ubuntu 14.04 ESM. Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user. This could be used by a local attacker to possibly crash Apport or have other unspecified consequences. Various other issues were also addressed.
abf66e9bb78ee4fc3f4fa2fdbc77bb1c869b824bb55a4793c42698211f58272bUbuntu Security Notice 4171-1 - Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user. This could be used by a local attacker to possibly crash Apport or have other unspecified consequences. Sander Bos discovered a race-condition in Apport during core dump creation. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. Various other issues were also addressed.
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