CVE-2023-30608

Parser contains an inefficient regular expression in sqlparse

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.63%
Vendor Advisory github.com
Affected: andialbrecht sqlparse
Published at:
Updated at:

References

Link Tags
https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-rrm6-wvj7-cwh2 patch vendor advisory
https://github.com/andialbrecht/sqlparse/commit/c457abd5f097dd13fb21543381e7cfafe7d31cfb patch
https://github.com/andialbrecht/sqlparse/commit/e75e35869473832a1eb67772b1adfee2db11b85a patch
https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS technical description
https://lists.debian.org/debian-lts-announce/2023/05/msg00017.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2023-30608?
CVE-2023-30608 has been scored as a medium severity vulnerability.
How to fix CVE-2023-30608?
To fix CVE-2023-30608, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-30608 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-30608 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-30608?
CVE-2023-30608 affects andialbrecht sqlparse.
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