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CVE-2023-30608

Published: 18 April 2023

sqlparse is a non-validating SQL parser module for Python. In affected versions the SQL parser contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service). This issue was introduced by commit `e75e358`. The vulnerability may lead to Denial of Service (DoS). This issues has been fixed in sqlparse 0.4.4 by commit `c457abd5f`. Users are advised to upgrade. There are no known workarounds for this issue.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
sqlparse
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Not vulnerable
(code not present)
bionic
Released (0.2.4-0.1ubuntu0.1)
focal
Released (0.2.4-3ubuntu0.1)
jammy
Released (0.4.2-1ubuntu0.22.04.1)
kinetic
Released (0.4.2-1ubuntu0.22.10.1)
upstream
Released (0.4.4)
lunar
Released (0.4.2-1ubuntu0.23.04.1)
Patches:
upstream: https://github.com/andialbrecht/sqlparse/commit/c457abd5f
upstream: https://github.com/andialbrecht/sqlparse/commit/e75e35869473832a1eb67772b1adfee2db11b85a

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H