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CVE-2025-23222 affects Deepin dde-api-proxy through 1.0.19. The proxy runs as a root-privileged system D-Bus service and forwards requests from arbitrary local users to legacy D-Bus methods implemented by backend services. The flaw is that dde-api-proxy performs forwarding without preserving or revalidating the original caller’s authorization context. As a result, backend D-Bus services receive proxied requests as if they originated from root rather than from the unprivileged local user. This breaks the trust boundary between the caller and the privileged service and exposes methods that should not be available to non-root users. Where Polkit authorization is involved, the backend may evaluate the request as coming from an administrative caller, leading to the same privilege-escalation outcome.
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No public exploit code observed for this vulnerability.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An iOS exploit-chain vulnerability referenced as used by a surveillance-vendor customer; noted as already patched well before observed use.
A privilege escalation vulnerability in Deepin's dde-api-proxy where a root-running D-Bus proxy forwards legacy interface requests to backend services without preserving or revalidating the original caller's authorization, causing backend services to treat unprivileged requests as if they came from root.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.