CVE-2022-28946

Aliases:GHSA-x7f3-62pm-9p38GO-2022-0587
Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 19 May 2022, 18:03
Last modified:03 Aug 2024, 06:10

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
0.43% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

19 May 2022, 18:03
Published
Vulnerability first disclosed
03 Aug 2024, 06:10
Last Modified
Vulnerability information updated

Description

An issue in the component ast/parser.go of Open Policy Agent v0.39.0 causes the application to incorrectly interpret every expression, causing a Denial of Service (DoS) via triggering out-of-range memory access.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.43%• Percentile: 63%

Affected Systems

  • github.com/open-policy-agent•opa

    < 0.40.0

  • openpolicyagent•open_policy_agent

    0.39.0

References (5)