CVE-2018-14642
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Redhat Undertow
PublishedSep 18, 2018
First seenSep 18, 2018
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- io.undertow:undertow-core2.0.19.FINAL or later
Vendor advisories
- access.redhat.com/errata/RHSA-2019:0364
- access.redhat.com/errata/RHSA-2019:0362
- access.redhat.com/errata/RHSA-2019:0365
- access.redhat.com/errata/RHSA-2019:0380
- access.redhat.com/errata/RHSA-2019:1107
- access.redhat.com/errata/RHSA-2019:1108
- access.redhat.com/errata/RHSA-2019:1106
- access.redhat.com/errata/RHSA-2019:1140
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat undertow | No range specified | — |
| redhat jboss_enterprise_application_platform | 7.1, 7.2, 7.3 | — |
| io.undertow:undertow-coreMaven | v < 2.0.19.FINAL | 2.0.19.FINAL |
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