7.8

CVSS Score

3.0

-

CVSS Score

Basic Information

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CVE-2015-6240

CVE-2015-6240: Ansible Sandbox Escape via Symlink Attack

The chroot, jail, and zone connection plugins in ansible before 1.9.2 allow local users to escape a restricted environment via a symlink attack.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2015-6240

CVE-2015-6240:

7.8

CVSS Score

3.0

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
ansible	pip	< 1.9.2	1.9.2

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability stems from how file transfer functions (put_file/fetch_file) in chroot/jail/zone connection plugins handled paths. Pre-patch versions constructed target paths by naively joining the restricted environment's root directory with user-supplied paths, then used shutil.copyfile. This allowed symlinks within the restricted environment to resolve to host filesystem paths. The patches replaced this with in-environment 'dd' execution, ensuring symlinks are resolved within the restricted environment. The affected functions are clearly identified in commit diffs and CVE descriptions, with high confidence due to direct correlation between the vulnerability mechanism and the patched code changes.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

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WAF Protection Rules

WAF Rule

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Reasoning

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