Threat database

A vulnerability in Trusted Domain Project OpenDMARC up to version 1.4.2 allows remote attackers to cause improper authentication via the opendmarc_sp2_find_mailfrom_domain function in the SPF Macro Handler component. This flaw has a CVSS 4.0 base score of 6.9 (medium severity). An exploit has been published, and a patch is available to remediate the issue.

A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarc_util_cleanup in the library libopendmarc/opendmarc_util.c of the component DMARC Record Parser. Performing a manipulation results in off-by-one. The attack may be initiated remotely. The exploit is now public and may be used. The patch is named b3b1da9264bc80324094a27c71e7369bdedc62ae. To fix this issue, it is recommended to deploy a patch.

OpenDMARC 1.4.2 contains a null pointer dereference vulnerability in /OpenDMARC/libopendmarc/opendmarc_policy.c.