CVE-2009-1902 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 13.7% (pctl 96)
Patch early
A public exploit exists.
Description
The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 13.74% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-476 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-06-03 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| fedoraproject | fedora |
| trustwave | modsecurity |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | ModSecurity < 2.5.9 - Remote Denial of Service | 2009-03-19 |
References
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
- http://secunia.com/advisories/34256
- http://secunia.com/advisories/34311
- http://secunia.com/advisories/35687
- http://security.gentoo.org/glsa/glsa-200907-02.xml
- http://sourceforge.net/project/shownotes.php?release_id=667542&group_id=68846
- http://www.osvdb.org/52553
- http://www.securityfocus.com/archive/1/501968
- http://www.securityfocus.com/bid/34096
- http://www.vupen.com/english/advisories/2009/0703
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49212
- https://www.exploit-db.com/exploits/8241
- https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00487.html
- https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00529.html
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
- http://secunia.com/advisories/34256
- http://secunia.com/advisories/34311
- http://secunia.com/advisories/35687
- http://security.gentoo.org/glsa/glsa-200907-02.xml
- http://sourceforge.net/project/shownotes.php?release_id=667542&group_id=68846
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