data/reports/GO-2021-0052: update fixed version

As per gin-gonic/gin#2862,
this issue was not fully fixed until gin v1.7.7.

Fixes #52.

Change-Id: I3c285c72eacd6c09ecc67bab681bdf44a60e2067
Reviewed-on: https://go-review.googlesource.com/c/vulndb/+/428036
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Tatiana Bradley <tatiana@golang.org>

data/reports/GO-2021-0052.yaml

@@ -1,11 +1,22 @@
 modules:
   - module: github.com/gin-gonic/gin
     versions:
-      - fixed: 1.6.3-0.20210406033725-bfc8ca285eb4
+      - fixed: 1.7.7
+    vulnerable_at: 1.7.6
     packages:
       - package: github.com/gin-gonic/gin
         symbols:
           - Context.ClientIP
+          - Context.RemoteIP
+        derived_symbols:
+          - Context.Next
+          - Engine.HandleContext
+          - Engine.Run
+          - Engine.RunFd
+          - Engine.RunListener
+          - Engine.RunTLS
+          - Engine.RunUnix
+          - Engine.ServeHTTP
 description: |
     Due to improper HTTP header santization, a malicious user can spoof their
     source IP address by setting the X-Forwarded-For header. This may allow
@@ -15,8 +26,15 @@ cves:
   - CVE-2020-28483
 ghsas:
   - GHSA-h395-qcrw-5vmq
-credit: '@sorenh'
+credit: '@sorenisanerd'
 references:
+  - report: https://github.com/gin-gonic/gin/issues/2862
+  - report: https://github.com/gin-gonic/gin/issues/2473
+  - report: https://github.com/gin-gonic/gin/issues/2232
+  - fix: https://github.com/gin-gonic/gin/pull/2844
+  - fix: https://github.com/gin-gonic/gin/commit/5929d521715610c9dd14898ebbe1d188d5de8937
   - fix: https://github.com/gin-gonic/gin/pull/2632
   - fix: https://github.com/gin-gonic/gin/commit/bfc8ca285eb46dad60e037d57c545cd260636711
+  - fix: https://github.com/gin-gonic/gin/pull/2675
+  - fix: https://github.com/gin-gonic/gin/commit/03e5e05ae089bc989f1ca41841f05504d29e3fd9
   - web: https://github.com/gin-gonic/gin/pull/2474