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GHSA-657c-g7qc-r9j2
@redocly/cli@redocly/cliImpact
An OpenAPI or AsyncAPI description could make the split command write
files outside the chosen output directory, on the machine of anyone who runs
split against it. The write is constrained rather than a free file-write
primitive: component data is emitted only as YAML/JSON, and code-sample files are
named after the HTTP method, so an attacker can place or overwrite files at an
unintended path but has limited control over their name and contents.
Patches
Fixed in @redocly/cli v2.33.2.
Workarounds
Do not run the split command on API descriptions from untrusted or unreviewed sources.
To detect an exploit attempt, inspect the description's component names and
x-codeSamples lang values for a literal ../ — neither legitimately contains
path segments.
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The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a low impact on the integrity of the data. There is a low impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
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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