Medium severity · published Sep 18, 2018
CVE-2018-14642
An information leak vulnerability was found in Undertow
5.3
CVSS
2.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JE
Jboss Enterprise Application Platform · Redhat
7.1; 7.2; 7.3 · source: NVD
UN
Undertow · Redhat
All versions, or not specified · source: NVD
Affected product
JE
Jboss Enterprise Application Platform
Redhat
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-14642
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-14642
Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:0362
Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:0364
Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:0365
Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:0380
Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:1106
Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:1107
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