Apache James IMAP vulnerable to a ReDoS
CVE-2021-40110

7.5HIGH

Key Information:

Vendor
Apache
Status
Apache James
Vendor
CVE Published:
4 January 2022

Summary

In Apache James, using Jazzer fuzzer, we identified that an IMAP user can craft IMAP LIST commands to orchestrate a Denial Of Service using a vulnerable Regular expression. This affected Apache James prior to 3.6.1 We recommend upgrading to Apache James 3.6.1 or higher , which enforce the use of RE2J regular expression engine to execute regex in linear time without back-tracking.

Affected Version(s)

Apache James Apache James <= 3.6.0

References

https://www.openwall.com/lists/oss-security/2022/01/04/2
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2022/01/04/2
mailing-listx_refsource_MLIST

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Apache James PMC would like to thanks Benoit TELLIER for this report.
.