VulnerabilityModified
CVE-2009-1891
The mod_deflate module in Apache httpd 2.2.11 and earlier compresses large files until completion even after the associated network connection is closed, which allows remote attackers to cause a denial of service (CPU consumption).
HIGH 7.1EPSS 17.1%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 17.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
The mod_deflate module in Apache httpd 2.2.11 and earlier compresses large files until completion even after the associated network connection is closed, which allows remote attackers to cause a denial of service (CPU consumption).
- CVSS 2.0
- 7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 17.11% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- apache/http server · debian/debian linux · fedoraproject/fedora · canonical/ubuntu linux · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux workstation
- Source
- secalert@redhat.com
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534712Exploit
- http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.htmlBroken Link, Mailing List
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00006.htmlMailing List, Third Party Advisory
- http://marc.info/?l=apache-httpd-dev&m=124621326524824&w=2Exploit, Issue Tracking, Mailing List, Third Party Advisory
- http://marc.info/?l=apache-httpd-dev&m=124661528519546&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=129190899612998&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=130497311408250&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://osvdb.org/55782Broken Link
- http://secunia.com/advisories/35721Not Applicable, Vendor Advisory
- http://secunia.com/advisories/35781Not Applicable, Vendor Advisory
- http://secunia.com/advisories/35793Not Applicable, Vendor Advisory
- http://secunia.com/advisories/35865Not Applicable, Vendor Advisory
- http://secunia.com/advisories/37152Not Applicable, Vendor Advisory
- http://secunia.com/advisories/37221Not Applicable, Vendor Advisory
- http://security.gentoo.org/glsa/glsa-200907-04.xmlThird Party Advisory
- http://support.apple.com/kb/HT3937Broken Link
- http://wiki.rpath.com/Advisories:rPSA-2009-0142Broken Link
- http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0142Broken Link
- http://www-01.ibm.com/support/docview.wss?uid=swg1PK91361Third Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg1PK99480Third Party Advisory
- http://www.debian.org/security/2009/dsa-1834Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:149Broken Link, Patch
- http://www.redhat.com/support/errata/RHSA-2009-1156.htmlThird Party Advisory
- http://www.securityfocus.com/archive/1/507857/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1022529Broken Link, Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-802-1Third Party Advisory
- http://www.vupen.com/english/advisories/2009/1841Permissions Required, Vendor Advisory
- http://www.vupen.com/english/advisories/2009/3184Permissions Required, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=509125Issue Tracking, Patch, Third Party Advisory
- https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.