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GHSA-h5fq-653g-gxrm
No affected components available
Summary
The /api/create endpoint accepted negative expire query values. For the memory storage backend, negative values were passed to secret creation as a negative duration and treated as no expiry, allowing callers to create secrets that persisted longer than intended.
Impact
Unauthenticated users could bypass configured retention expectations for secrets they create by sending POST /api/create?expire=-1.
This does not allow reading or modifying secrets created by other users. Secrets remain one-time-read and, in the normal web flow, client-side encrypted.
Affected versions
Versions up to and including v1.21.4 are affected.
Patched versions
Fixed in v1.21.5.
Workarounds
Disable expiry overrides via disableExpiryOverride: true until upgrading.
Credit
Reported by Chai Cheng Xun via email.
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. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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