CVE-2020-5205

Summary

In Pow (Hex package) before 1.0.16, the use of Plug.Session in Pow.Plug.Session is susceptible to session fixation attacks if a persistent session store is used for Plug.Session, such as Redis or a database. Cookie store, which is used in most Phoenix apps, doesn't have this vulnerability.

Affected Software

VendorProductVersion RangeStatus
danschultzerPow< 1.0.16affected

Weaknesses

  • CWE-384: CWE-384 Session Fixation

Workarounds

Call Plug.Conn.configure_session(conn, renew: true) periodically and after privilege change. A custom authorization plug can be written where the create/3 method should return the conn only after Plug.Conn.configure_session/2 have been called on it.

ADP Enrichment

CVE Program Container

Additional References

References