https://bugzilla.redhat.com/show_bug.cgi?id=1311949
Bug ID: 1311949
Summary: CVE-2016-0791 jenkins: Non-constant time comparison of
CSRF crumbs (SECURITY-245)
Product: Security Response
Component: vulnerability
Keywords: Security
Severity: medium
Priority: medium
Assignee: security-response-team(a)redhat.com
Reporter: anemec(a)redhat.com
CC: abhgupta(a)redhat.com, bleanhar(a)redhat.com,
ccoleman(a)redhat.com, dmcphers(a)redhat.com,
java-sig-commits(a)lists.fedoraproject.org,
jialiu(a)redhat.com, jkeck(a)redhat.com,
joelsmith(a)redhat.com, jokerman(a)redhat.com,
kseifried(a)redhat.com, lmeyer(a)redhat.com,
mizdebsk(a)redhat.com, mmccomas(a)redhat.com,
msrb(a)redhat.com, tiwillia(a)redhat.com
The following flaw was found in Jenkins:
The verification of user-provided CSRF crumbs with the expected value did not
use a constant-time comparison algorithm, potentially allowing attackers to use
statistical methods to determine valid CSRF crumbs using brute-force methods.
External References:
https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+20...
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