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CVE-2023-51766
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CVE-2023-51766
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
Exim before 4.97.1 allows SMTP smuggling in certain PIPELINING/CHUNKING configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because Exim supports <LF>.<CR><LF> but some other popular e-mail servers do not.
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CVSS V3 Severity and Metrics
General Information
Vendors
- debian,
- exim,
- fedoraproject
Products
- debian linux 10.0,
- exim,
- extra packages for enterprise linux 7.0,
- extra packages for enterprise linux 8.0,
- extra packages for enterprise linux 9.0,
- fedora 38,
- fedora 39
References
Advisory
Miscellaneous
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
