Improper Check for Unusual or Exceptional Conditions Affecting olcne-api-server package, versions <0:1.3.2-2.el8


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.11% (44th percentile)

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  • Snyk IDSNYK-ORACLE8-OLCNEAPISERVER-2599672
  • published10 Apr 2022
  • disclosed24 Aug 2021

Introduced: 24 Aug 2021

CVE-2021-32780  (opens in a new tab)
CWE-754  (opens in a new tab)

How to fix?

Upgrade Oracle:8 olcne-api-server to version 0:1.3.2-2.el8 or higher.
This issue was patched in ELSA-2021-9546.

NVD Description

Note: Versions mentioned in the description apply only to the upstream olcne-api-server package and not the olcne-api-server package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. In affected versions Envoy transitions a H/2 connection to the CLOSED state when it receives a GOAWAY frame without any streams outstanding. The connection state is transitioned to DRAINING when it receives a SETTING frame with the SETTINGS_MAX_CONCURRENT_STREAMS parameter set to 0. Receiving these two frames in the same I/O event results in abnormal termination of the Envoy process due to invalid state transition from CLOSED to DRAINING. A sequence of H/2 frames delivered by an untrusted upstream server will result in Denial of Service in the presence of untrusted upstream servers. Envoy versions 1.19.1, 1.18.4 contain fixes to stop processing of pending H/2 frames after connection transition to the CLOSED state.

CVSS Scores

version 3.1