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Weakness

Creation of chroot Jail Without Changing Working Directory

CWE-243 · Variant · Draft

The product uses the chroot() system call to create a jail, but does not change the working directory afterward. This does not prevent access to files outside of the jail.

Extended description

Improper use of chroot() may allow attackers to escape from the chroot jail. The chroot() function call does not change the process's current working directory, so relative paths may still refer to file system resources outside of the chroot jail after chroot() has been called.

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Weakness Relationships

Where this weakness sits in the CWE hierarchy. Walk up to broader classes or down to more specific variants.
Parent of this (broader)
ChildOfCWE-573 · Improper Following of Specification by Caller
ChildOfCWE-669 · Incorrect Resource Transfer Between Spheres
External lookups - second-class, for what we don’t hold ourselves
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