CVE-2019-17567

Advisory lineage Upstream: 0 Downstream: 5
Modified
Published: 10 Jun 2021, 07:10
Last modified:05 Aug 2024, 01:40

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
5.3 MEDIUM
v3.1 (nvd)
EPSS Score
12.44% MEDIUM
12% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Jun 2021, 07:10
Published
Vulnerability first disclosed
05 Aug 2024, 01:40
Last Modified
Vulnerability information updated

Description

Apache HTTP Server versions 2.4.6 to 2.4.46 mod_proxy_wstunnel configured on an URL that is not necessarily Upgraded by the origin server was tunneling the whole connection regardless, thus allowing for subsequent requests on the same connection to pass through with no HTTP validation, authentication or authorization possibly configured.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 12.44%• Percentile: 94%

Techniques & Countermeasures

  • CWE-444•Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

    The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

Affected Systems

  • apache software foundation•apache http server

    2.4.46 | 2.4.43 | 2.4.41 | 2.4.39 | 2.4.38 | 2.4.37 | 2.4.35 | 2.4.34 | 2.4.33 | 2.4.29 | 2.4.28 | 2.4.27 | 2.4.26 | 2.4.25 | 2.4.23 | 2.4.20 | 2.4.18 | 2.4.17 | 2.4.16 | 2.4.12 | 2.4.10 | 2.4.9 | 2.4.7 | 2.4.6

  • Unknown•HTTP Server

    ≥ 2.4.6, ≤ 2.4.46

  • fedoraproject•fedora

    34 | 35

  • oracle•enterprise_manager_ops_center

    12.4.0.0

  • oracle•instantis_enterprisetrack

    17.1 | 17.2 | 17.3

  • oracle•zfs_storage_appliance_kit

    8.8

References (11)