CVE-2020-28020

Description

Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction.

References

https://www.tenable.com/cyber-exposure/2021-threat-landscape-retrospective

https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28020-HSIZE.txt

http://www.openwall.com/lists/oss-security/2021/08/03/1

http://www.openwall.com/lists/oss-security/2021/07/25/1

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3