CVE-2018-1100 log

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Severity	High
Remote	No
Type	Arbitrary code execution
Description	A stack-based buffer overflow has been found in zsh <= 5.4.2, in the checkmailpath() function, where unchecked strings from the MAILCHECK variable are copied to a buffer. A local, unprivileged user can create a specially crafted message file, which, if used to set a custom "you have new mail" message, leads to code execution in the context of the user who receives the message. If the user affected is privileged, this leads to privilege escalation.

Group	Package	Affected	Fixed	Severity	Status	Ticket
AVG-669	zsh	5.4.2-2	5.5-1	High	Fixed

Date	Advisory	Group	Package	Severity	Type
11 Apr 2018	ASA-201804-5	AVG-669	zsh	High	arbitrary code execution

References
https://www.zsh.org/mla/workers/2018/msg00411.html https://sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/