Bug 655708 (CVE-2018-1100)

Summary:	<app-shells/zsh-5.4.1: unchecked strings from the MAILCHECK variable in utils.c:checkmailpath() function
Product:	Gentoo Security	Reporter:	D'juan McDonald (domhnall) <flopwiki>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	normal	CC:	polynomial-c, radhermit
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
URL:	http://www.zsh.org/mla/workers/2018/msg00411.html
Whiteboard:	B2 [glsa+ cve]
Package list:		Runtime testing required:	---
Bug Depends on:	651860
Bug Blocks:

Description D'juan McDonald (domhnall) 2018-05-14 01:34:11 UTC

From $URL:

There's a potential buffer overflow in utils.c:checkmailpath() function
where unchecked strings from the MAILCHECK variable are copied to a
buffer. This bug corresponds to CVE-2018-1100 and credit to Richard
Maciel Costa for finding it.

Reference:
https://sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/

Comment 1 GLSAMaker/CVETool Bot gentoo-dev

2018-05-26 15:42:12 UTC

This issue was resolved and addressed in
 GLSA 201805-10 at https://security.gentoo.org/glsa/201805-10
by GLSA coordinator Christopher Diaz Riveros (chrisadr).