CVE-2020-12460
PoC —CVSS 3.1
9.8 critical
EPSS
4%p89
Published
()
Modified
Description
OpenDMARC through 1.3.2 and 1.4.x through 1.4.0-Beta1 has improper null termination in the function opendmarc_xml_parse that can result in a one-byte heap overflow in opendmarc_xml when parsing a specially crafted DMARC aggregate report. This can cause remote memory corruption when a '\0' byte overwrites the heap metadata of the next chunk and its PREV_INUSE flag.
- Vendors
- trusteddomainfedoraprojectdebian
- Products
- opendmarc, fedora, debian linux
- Weakness
- CWE-787
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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