Vulnerability in gz-yami mall4cloud

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

Mall4cloud through 4.0 contains an insecure direct object reference vulnerability that allows authenticated merchants to read other shops' buyer shipping addresses via the multishop OrderController getOrderAddr handler. Attackers can enumerate auto-increment orderAddrId values in GET /m/order/order_addr/{orderAddrId} requests to obtain consignee names, mobile numbers, addresses and post codes platform-wide.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/gz-yami/mall4cloud/blob/v4.0/mall4cloud-order/src/main/java/com/mall4j/cloud…
• github.com/gz-yami/mall4cloud/blob/v4.0/mall4cloud-order/src/main/resources/mapper/Orde…
• hackmd.io/@hieuPenguinnn/mall4cloud-multishop-order-addr-cross-shop-idor
• www.vulncheck.com/advisories/mall4cloud-through-4.0-idor-exposing-buyer-addresses-via-o…