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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Modsecurity | Trustwave | * | 2.9.7 (excluding) |
| JBoss Core Services for RHEL 8 | RedHat | jbcs-httpd24-mod_security-0:2.9.3-29.el8jbcs | * |
| JBoss Core Services on RHEL 7 | RedHat | jbcs-httpd24-mod_security-0:2.9.3-29.el7jbcs | * |
| Text-Only JBCS | RedHat | mod_security | * |
| Modsecurity-apache | Ubuntu | bionic | * |
| Modsecurity-apache | Ubuntu | esm-apps/bionic | * |
| Modsecurity-apache | Ubuntu | esm-apps/focal | * |
| Modsecurity-apache | Ubuntu | esm-apps/jammy | * |
| Modsecurity-apache | Ubuntu | esm-apps/xenial | * |
| Modsecurity-apache | Ubuntu | focal | * |
| Modsecurity-apache | Ubuntu | jammy | * |
| Modsecurity-apache | Ubuntu | kinetic | * |
| Modsecurity-apache | Ubuntu | trusty | * |
| Modsecurity-apache | Ubuntu | upstream | * |
| Modsecurity-apache | Ubuntu | xenial | * |
References
- https://github.com/SpiderLabs/ModSecurity/pull/2857
- https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334
- https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7
- https://lists.debian.org/debian-lts-announce/2023/01/msg00023.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/
- https://github.com/SpiderLabs/ModSecurity/pull/2857
- https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334
- https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7
- https://lists.debian.org/debian-lts-announce/2023/01/msg00023.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/