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Ubuntu.comUB:CVE-2020-26759

HistoryJan 06, 2021 - 12:00 a.m.

CVE-2020-26759

2021-01-0600:00:00

ubuntu.com

clickhouse-driver buffer-overflow database-client unix crafted-server-response security-flaw

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.005

Percentile

75.5%

JSON

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/mymarilyn/clickhouse-driver/commit/3e990547e064b8fca916b23a0f7d6fe8c63c7f6b

github.com/mymarilyn/clickhouse-driver/commit/d708ed548e1d6f254ba81a21de8ba543a53b5598

launchpad.net/bugs/cve/CVE-2020-26759

nvd.nist.gov/vuln/detail/CVE-2020-26759

security-tracker.debian.org/tracker/CVE-2020-26759

www.cve.org/CVERecord?id=CVE-2020-26759

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.005

Percentile

75.5%

JSON

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