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  5. CVE-2020-26759

CVE-2020-26759: Arbitrary code execution in clickhouse-driver

April 7, 2021 (updated September 13, 2024)

clickhouse-driver before 0.1.5 allows a malicious clickhouse server to trigger a crash or execute arbitrary code (on a database client) via a crafted server response, due to a buffer overflow.

References

  • github.com/advisories/GHSA-vgv5-cxvh-vfxh
  • github.com/mymarilyn/clickhouse-driver
  • github.com/mymarilyn/clickhouse-driver/commit/3e990547e064b8fca916b23a0f7d6fe8c63c7f6b
  • github.com/mymarilyn/clickhouse-driver/commit/d708ed548e1d6f254ba81a21de8ba543a53b5598
  • github.com/pypa/advisory-database/tree/main/vulns/clickhouse-driver/PYSEC-2021-61.yaml
  • nvd.nist.gov/vuln/detail/CVE-2020-26759

Code Behaviors & Features

Detect and mitigate CVE-2020-26759 with GitLab Dependency Scanning

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Affected versions

All versions before 0.1.5

Fixed versions

  • 0.1.5

Solution

Upgrade to version 0.1.5 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Source file

pypi/clickhouse-driver/CVE-2020-26759.yml

Spotted a mistake? Edit the file on GitLab.

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