sqlparse contains a regular expression that is vulnerable to Regular Expression Denial of Service
### Impact The SQL parser contains a regular expression that is vulnerable to [ReDoS](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS) (Regular Expression Denial of Service). The vulnerability may lead to Denial of Service (DoS). ### Patches This issues has been fixed in sqlparse 0.4.4. ### Workarounds None. ### References This issue was discovered and reported by GHSL team member [@erik-krogh (Erik Krogh Kristensen)](https://github.com/erik-krogh). - Commit that introduced the vulnerability: e75e35869473832a1eb67772b1adfee2db11b85a
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2023-30608US | high7.5 | — | ||
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… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/andialbrecht/sqlparsePACKAGE
- https://github.com/andialbrecht/sqlparse/commit/c457abd5f097dd13fb21543381e7cfafe7d31cfbWEB
- https://github.com/andialbrecht/sqlparse/commit/e75e35869473832a1eb67772b1adfee2db11b85aWEB
- https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-rrm6-wvj7-cwh2WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/sqlparse/PYSEC-2023-87.yamlWEB
- https://lists.debian.org/debian-lts-announce/2023/05/msg00017.htmlWEB
- https://lists.debian.org/debian-lts-announce/2024/12/msg00022.htmlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2023-30608ADVISORY
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