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
EPSS: 0.021 (79.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Red Hat Undertow — versions n/a
- Redhat Enterprise_linux — versions 6.0, 7.0
- Redhat Jboss_enterprise_application_platform — versions 7.1, 7.2, 7.3
- Redhat Undertow
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, 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.