Ubuntu Security Notice 4263-2 - USN-4263-1 fixed a vulnerability in Sudo. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Joe Vennix discovered that Sudo incorrectly handled memory operations when the pwfeedback option is enabled. A local attacker could possibly use this issue to obtain unintended access to the administrator account. Various other issues were also addressed.
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