Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.
Metrics
Affected Vendors & Products
References
History
No history.

Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T16:25:44.102Z
Reserved: 2020-10-30T00:00:00
Link: CVE-2020-28024

No data.

Status : Modified
Published: 2021-05-06T13:15:09.720
Modified: 2024-11-21T05:22:13.810
Link: CVE-2020-28024

No data.