Upstream information
Description
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.SUSE information
Overall state of this security issue: Ignore
This issue is currently rated as having important severity.
National Vulnerability Database | |
---|---|
Base Score | 5 |
Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Access Vector | Network |
Access Complexity | Low |
Authentication | None |
Confidentiality Impact | None |
Integrity Impact | None |
Availability Impact | Partial |
National Vulnerability Database | |
---|---|
Base Score | 7.5 |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Access Vector | Network |
Access Complexity | Low |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality Impact | None |
Integrity Impact | None |
Availability Impact | High |
CVSSv3 Version | 3 |