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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2009-3094
• https://bugzilla.redhat.com/show_bug.cgi?id=521619
• https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b@%3Ccvs.httpd.apache.org%3E
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10981
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8087
• https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00645.html
• https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00944.html
• http://intevydis.com/vd-list.shtml
• http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00006.html
• http://marc.info/?l=bugtraq&m=126998684522511&w=2
• http://marc.info/?l=bugtraq&m=127557640302499&w=2
• http://marc.info/?l=bugtraq&m=133355494609819&w=2
• http://secunia.com/advisories/36549
• http://secunia.com/advisories/37152
• http://wiki.rpath.com/Advisories:rPSA-2009-0155
• http://www-01.ibm.com/support/docview.wss?uid=swg1PK96858
• http://www-01.ibm.com/support/docview.wss?uid=swg1PM09161
• http://www.debian.org/security/2009/dsa-1934
• http://www.intevydis.com/blog/?p=59
• http://www.securityfocus.com/archive/1/508075/100/0/threaded
• http://www.vupen.com/english/advisories/2010/0609