NULL pointer dereference in Apache HTTP Server
CVE-2009-3094
The ap_proxy_ftp_handler function in modules/proxy/proxy_ftp.c in the mod_proxy_ftp module in the Apache HTTP Server 2.0.63 and 2.2.13 allows remote FTP servers to cause a denial of service (NULL pointer dereference and child process crash) via a malformed reply to an EPSV command.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 2.6 (Low). Vector: AV:N/AC:H/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.086 (94.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.086 · newest: 0.086 · change: 0.000
Affected products
- Apache HTTP Server
- Debian Linux — versions 4.0, 5.0
- Fedoraproject Fedora — versions 10, 12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2009-10/msg00006.html (vendor-advisory, Mailing List, Third Party Advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:10981 (signature, Third Party Advisory, vdb-entry)
- www.vupen.com/english/advisories/2010/0609 (Permissions Required, vdb-entry, Vendor Advisory)
- marc.info/ (vendor-advisory, Mailing List, Third Party Advisory, Issue Tracking)
- marc.info/ (vendor-advisory, Mailing List, Third Party Advisory, Issue Tracking)
- secunia.com/advisories/37152 (Not Applicable, Vendor Advisory, third-party-advisory)
- www.debian.org/security/2009/dsa-1934 (vendor-advisory, Third Party Advisory)
- www-01.ibm.com/support/docview.wss (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/archive/1/508075/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory)
- www.intevydis.com/blog/ (Broken Link)
Frequently asked questions
- What is CVE-2009-3094?
- CVE-2009-3094 is a vulnerability in Apache HTTP Server, classified under NULL Pointer Dereference. Published 2009-09-08.
- Is CVE-2009-3094 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.