Resource Exhaustion Affecting rhvm package, versions <0:4.4.3.8-0.1.el8ev


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.19% (57th percentile)

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  • Snyk IDSNYK-RHEL8-RHVM-3387902
  • published26 Mar 2023
  • disclosed4 Nov 2019

Introduced: 4 Nov 2019

CVE-2019-20922  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:8 rhvm to version 0:4.4.3.8-0.1.el8ev or higher.
This issue was patched in RHSA-2020:5179.

NVD Description

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

Handlebars before 4.4.5 allows Regular Expression Denial of Service (ReDoS) because of eager matching. The parser may be forced into an endless loop while processing crafted templates. This may allow attackers to exhaust system resources.

CVSS Scores

version 3.1