SMTP Header Injection Vulnerability in Apache Commons Email by Apache
CVE-2017-9801

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Commons Email
Vendor
CVE Published:
7 August 2017

What is CVE-2017-9801?

This vulnerability in Apache Commons Email versions 1.0 to 1.4 allows an attacker to inject arbitrary SMTP headers by exploiting line breaks in the email subject. When a call-site passes a subject containing line breaks, it can alter the email structure and introduce harmful headers, potentially leading to unauthorized actions, spam, or information leakage.

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Affected Version(s)

Apache Commons Email 1.0 to 1.4

References

https://lists.apache.org/thread.html/7ef903a772a2ff08605d...
mailing-listx_refsource_MLIST
http://www.securitytracker.com/id/1039043
vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/100082
vdb-entryx_refsource_BID

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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