ADVISORIES

• CVE-2021-39880 (NVD)
• GHSA-w6pv-c757-6rgr
• Vendor Advisory

GEM

apollo_upload_server

SEVERITY

CVSS v3.x: 6.5 (Medium)

PATCHED VERSIONS

• >= 2.1.0

DESCRIPTION

A Denial Of Service vulnerability in the apollo_upload_server Ruby gem in GitLab CE/EE version 11.11 and above allows an attacker to deny access to all users via specially crafted requests to the apollo_upload_server middleware.

RELATED

• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39880.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/330561
• https://github.com/jetruby/apollo_upload_server-ruby/pull/44
• https://github.com/jetruby/apollo_upload_server-ruby/commit/b0582c1a3e458eee3c994fb38278bd0221f20486
• https://github.com/jetruby/apollo_upload_server-ruby/releases/tag/2.1.0
• https://gitlab.com/gitlab-org/gitlab/-/issues/330561#note_642879964
• https://vuldb.com/?id.183842