Information disclosure in Red Hat Undertow
CVE-2018-14642
An information leak vulnerability was found in Undertow. If all headers are not written out in the first write() call then the code that handles flushing the buffer will always write out the full contents of the writevBuffer buffer, which may contain data from previous requests.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.021 (81.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Red Hat Undertow
- Red Hat Enterprise Linux — versions 6.0, 7.0
- Red Hat Jboss Enterprise Application Platform — versions 7.1, 7.2, 7.3
- Red Hat Undertow
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
- access.redhat.com/errata/RHSA-2019:0364 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2019:0362 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2019:0365 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2019:0380 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2019:1107 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2019:1108 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2019:1106 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2019:1140 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-14642?
- CVE-2018-14642 is a medium-severity vulnerability in Red Hat Undertow, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-09-18.
- How severe is CVE-2018-14642?
- Medium severity. CVSS v3 base score is 5.3 out of 10.