Arbitrary Code Execution via From Header in Exim's dmarc_process Function

CVE-2014-2957 · MEDIUM Severity

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

The dmarc_process function in dmarc.c in Exim before 4.82.1, when EXPERIMENTAL_DMARC is enabled, allows remote attackers to execute arbitrary code via the From header in an email, which is passed to the expand_string function.

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