5.6

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2025-22242

CVE-2025-22242: CVE-2025-22242 salt advisory

Worker process denial of service through file read operation. .A vulnerability exists in the Master's “pub_ret” method which is exposed to all minions. The un-sanitized input value “jid” is used to construct a path which is then opened for reading. An attacker could exploit this vulnerabilities by attempting to read from a filename that will not return any data, e.g. by targeting a pipe node on the proc file system.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2025-22242

CVE-2025-22242:

5.6

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

SSVC / BOD 26-04 ↗

Exploitation NoneAutomatable NoTech Impact Partial

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Package Name	Ecosystem	Vulnerable Versions	First Patched Version
salt	pip	>= 3007.0rc1, < 3007.4	3007.4
salt	pip	>= 3006.0rc1, < 3006.12	3006.12

Technical Details

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Root Cause Analysis

The vulnerability lies in the pub_ret method within the AESFuncs class in salt/master.py. The description explicitly mentions that the 'pub_ret' method uses an unsanitized input 'jid' to construct a path for a file read operation. The provided commit e39116fb87bf4db9bcb9aade8258c66df87d41fe clearly shows that the pub_ret function was modified. Specifically, the way the jid_fn (job ID filename) was constructed changed from os.path.join(auth_cache, str(load["jid"])) to salt.utils.verify.clean_join(auth_cache, str(load["jid"])). This change indicates that the original use of os.path.join with the jid from the input load was the source of the vulnerability, allowing path traversal or access to special files if jid was crafted maliciously. The subsequent file open operation with salt.utils.files.fopen(jid_fn, "r") as fp_: would then attempt to read from this attacker-controlled path, potentially leading to a denial of service if the path pointed to something like a named pipe or a blocking device file. The fix involves using salt.utils.verify.clean_join, which is designed to prevent such path manipulation issues.

Vulnerable functions

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WAF Rule

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Reasoning

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