Apache James vulnerable to STARTTLS command injection (IMAP and POP3)
CVE-2021-38542
5.9MEDIUM
Summary
Apache James prior to release 3.6.1 is vulnerable to a buffering attack relying on the use of the STARTTLS command. This can result in Man-in -the-middle command injection attacks, leading potentially to leakage of sensible information.
Affected Version(s)
Apache James Apache James < 3.6.1
References
CVSS V3.1
Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved
Credit
We thanks Benoit Tellier, Raphael Ouazana for reporting this vulnerability as well as Damian Poddebniak, Fabian Ising, Hanno Böck, and Sebastian Schinzel Münster University of Applied Science for their research and tools regarding STARTTLS security.