A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211919.

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2022-90e08c08e6 advisory.

    Fixed use after free in dmarc_dns_lookup (CVE-2022-3620).


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    Fixed use after free in regex handler.

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    This is an update fixing tainted search query is not properly quoted for greylisting.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 35 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2022-ebbac924d3 advisory.

    Fixed use after free in dmarc_dns_lookup (CVE-2022-3620).

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 36 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2022-ebd5bb0478 advisory.

    Fixed use after free in dmarc_dns_lookup (CVE-2022-3620).


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
211164	Fedora 37 : exim (2022-90e08c08e6)	Nessus	Fedora Local Security Checks	critical
169237	Fedora 35 : exim (2022-ebbac924d3)	Nessus	Fedora Local Security Checks	critical
169200	Fedora 36 : exim (2022-ebd5bb0478)	Nessus	Fedora Local Security Checks	critical

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CVE-2022-3620

critical

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