CVE-2020-8252 (GCVE-0-2020-8252)

Vulnerability from cvelistv5 – Published: 2020-09-18 20:11 – Updated: 2025-04-30 22:24
VLAI
Summary
The implementation of realpath in libuv < 10.22.1, < 12.18.4, and < 14.9.0 used within Node.js incorrectly determined the buffer size which can result in a buffer overflow if the resolved path is longer than 256 bytes.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-120 - Classic Buffer Overflow (CWE-120)
Assigner
References
Impacted products
Vendor Product Version
NodeJS Node Affected: 4.0 , < 4.* (semver)
Affected: 5.0 , < 5.* (semver)
Affected: 6.0 , < 6.* (semver)
Affected: 7.0 , < 7.* (semver)
Affected: 8.0 , < 8.* (semver)
Affected: 9.0 , < 9.* (semver)
Affected: 10.0 , < 10.22.1 (semver)
Affected: 11.0 , < 11.* (semver)
Affected: 12.0 , < 12.18.4 (semver)
Affected: 13.0 , < 13.* (semver)
Affected: 14.0 , < 14.9.0 (semver)
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      "product_status:known_affected": "1",
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      "source": "Red Hat CSAF VEX",
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      "title": "libuv: buffer overflow in realpath",
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.