PT-2021-11268 · Unknown+1 · Clickhouse-Driver+1

Xzkostyan · Published 2021-01-06 · Updated 2024-03-06 · CVE-2020-26759

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: clickhouse-driver versions prior to 0.1.5

Description: The issue 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.

Recommendations: For versions prior to 0.1.5, update to version 0.1.5 or later to resolve the issue. As a temporary workaround, consider restricting access to untrusted clickhouse servers to minimize the risk of exploitation.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

ALT-PU-2021-1390

ALT-PU-2021-1608

ALT-PU-2022-2172

BIT-CLICKHOUSE-2020-26759

CVE-2020-26759

GHSA-VGV5-CXVH-VFXH

PYSEC-2021-61

Affected Products

Alt Linux

Clickhouse-Driver

References · 17

• https://github.com/mymarilyn/clickhouse-driver/commit/d708ed548e1d6f254ba81a21de8ba543a53b5598 · Patch
• https://github.com/mymarilyn/clickhouse-driver/commit/3e990547e064b8fca916b23a0f7d6fe8c63c7f6b · Patch
• https://osv.dev/vulnerability/PYSEC-2021-61 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-vgv5-cxvh-vfxh · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-26759 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-26759 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-26759 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-26759 · Security Note
• https://osv.dev/vulnerability/CVE-2020-26759 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-26759 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-clickhouse-2020-26759 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-26759 · Vendor Advisory
• https://github.com/mymarilyn/clickhouse-driver · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/clickhouse-driver/PYSEC-2021-61.yaml · Note
• https://t.me/cvenotify/8375 · Telegram Post