CVE-2023-24021
High
Description
Incorrect handling of '\0' bytes in file uploads in ModSecurity before 2.9.7 may allow for Web Application Firewall bypasses and buffer over-reads on the Web Application Firewall when executing rules that read the FILES_TMP_CONTENT collection.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Trustwave Modsecurity
PublishedJan 20, 2023
First seenJan 20, 2023
Weakness typeCWE-170CWE-170
How to fix
Update
- trustwave modsecurity2.9.7 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| trustwave modsecurity | v < 2.9.7 | 2.9.7 |
| debian debian_linux | 10.0 | — |
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