What’s Vulnerable › Vulnerabilities

CVE-2022-4768: Dropbox merou SSH Public Key public_key.py add_public_key injection

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-27 · updated 2026-06-17
• Weakness: CWE-74

Description

A vulnerability was found in Dropbox merou. It has been classified as critical. Affected is the function add_public_key of the file grouper/public_key.py of the component SSH Public Key Handler. The manipulation of the argument public_key_str leads to injection. It is possible to launch the attack remotely. The name of the patch is d93087973afa26bc0a2d0a5eb5c0fde748bdd107. It is recommended to apply a patch to fix this issue. VDB-216906 is the identifier assigned to this vulnerability.

Affected products

• Dropbox merou: before 2022-03-28 — fixed in 2022-03-28

How to fix

Upgrade to a fixed version: Dropbox merou 2022-03-28. Check the vendor advisory for mitigations.

References

• https://github.com/dropbox/merou/commit/d93087973afa26bc0a2d0a5eb5c0fde748bdd107
• https://github.com/dropbox/merou/pull/673
• https://vuldb.com/?ctiid.216906
• https://vuldb.com/?id.216906
• https://github.com/dropbox/merou/commit/d93087973afa26bc0a2d0a5eb5c0fde748bdd107
• https://github.com/dropbox/merou/pull/673
• https://vuldb.com/?ctiid.216906
• https://vuldb.com/?id.216906

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