ksh: certain environment variables interpreted as arithmetic expressions on startup, leading to code injection

A flaw was found in the way ksh evaluates certain environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Services and applications that allow remote unauthenticated attackers to provide one of those environment variables...

DEBIAN-CVE-2019-14868

In ksh version 20120801, a flaw was found in the way it evaluates certain environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Services and applications that allow remote unauthenticated attackers to provide one of those...

ksh.temp-hole.txt

Author: Paul Szabo Recently I reported that, similarly to the recently discussed tcsh vulnerability, the Bourne shell /bin/sh creates temporary files in an insecure way: http://www.securityfocus.com/templates/archive.pike?list=1&msg=200011230225.N [email protected] At the time I als...

Дырка в ksh

Проблема при создании временных файлов при перенаправлении ввода аналогична sh, tcsh bash и др...