Remote Code Execution via Inline PGP Signature in Open-Xchange OX Guard

Remote Code Execution via Inline PGP Signature in Open-Xchange OX Guard

CVE-2016-6854 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:P/A:N

An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code which got injected to a mail with inline PGP signature gets executed when verifying the signature. Malicious script code can be executed within a user's context. This can lead to session hijacking or triggering unwanted actions via the web interface (sending mail, deleting data etc.).

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