[java-sig-commits] [Bug 1797084] New: CVE-2020-2101 jenkins: Non-constant time comparison of inbound TCP agent connection secret

https://bugzilla.redhat.com/show_bug.cgi?id=1797084

Bug ID: 1797084
           Summary: CVE-2020-2101 jenkins: Non-constant time comparison of
                    inbound TCP agent connection secret
           Product: Security Response
          Hardware: All
                OS: Linux
            Status: NEW
         Component: vulnerability
          Keywords: Security
          Severity: medium
          Priority: medium
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail], [e-mail],
                    [e-mail], [e-mail],
                    [e-mail], [e-mail],
                    [e-mail],
                    [e-mail], [e-mail],
                    [e-mail], [e-mail],
                    [e-mail], [e-mail],
                    [e-mail], [e-mail],
                    [e-mail]
  Target Milestone: ---
    Classification: Other

Jenkins 2.218 and earlier, LTS 2.204.1 and earlier did not use a constant-time
comparison function for validating connection secrets, which could potentially
allow an attacker to use a timing attack to obtain this secret.

References:

https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1659
http://www.openwall.com/lists/oss-security/2020/01/29/1