In pkg/tool/path.go in Gogs before 0.11.82.1218, a directory traversal in the file-upload functionality can allow an attacker to create a file under data/sessions on the server, a similar issue to CVE-2018-18925.
Vector
NETWORK
Complexity
LOW
Authentication
NONE
Confidentiality
NONE
Integrity
PARTIAL
Availability
NONE
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (ID 22)
Related CAPEC 7
Relative Path Traversal (CAPEC-ID 139)
Directory Traversal (CAPEC-ID 213)
File System Function Injection, Content Based (CAPEC-ID 23)
Using Slashes and URL Encoding Combined to Bypass Validation Logic (CAPEC-ID 64)
Manipulating Input to File System Calls (CAPEC-ID 76)
Using Escaped Slashes in Alternate Encoding (CAPEC-ID 78)
Using Slashes in Alternate Encoding (CAPEC-ID 79)