Resource exhaustion in Apache HTTP Server
CVE-2011-3192
The byterange filter in the Apache HTTP Server 1.3.x, 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, as exploited in the wild in August 2011, a different vulnerability than CVE-2007-0086.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.989 (99.9th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.988 · newest: 0.989 · change: +0.001
Affected products
- Apache HTTP Server
- Canonical Ubuntu Linux — versions 8.04, 10.04, 10.10
- openSUSE — versions 11.3, 11.4
- SUSE Linux Enterprise Server — versions 10, 11
- SUSE Linux Enterprise Software Development Kit — versions 10, 11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/45606 (Not Applicable, Vendor Advisory, third-party-advisory)
- www.redhat.com/support/errata/RHSA-2011-1369.html (vendor-advisory, Third Party Advisory)
- www.redhat.com/support/errata/RHSA-2011-1329.html (vendor-advisory, Third Party Advisory)
- marc.info/ (vendor-advisory, Mailing List, Third Party Advisory, Issue Tracking)
- lists.opensuse.org/opensuse-security-announce/2011-09/msg00011.html (vendor-advisory, Mailing List, Third Party Advisory)
- marc.info/ (vendor-advisory, Mailing List, Issue Tracking)
- lists.opensuse.org/opensuse-security-announce/2011-09/msg00006.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.gossamer-threads.com/lists/apache/dev/401638 (Third Party Advisory)
- securitytracker.com/id (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- mail-archives.apache.org/mod_mbox/httpd-dev/201108.mbox/<CAAPSnn2PO-d-C4nQt_TES… (mailing-list)
Frequently asked questions
- What is CVE-2011-3192?
- CVE-2011-3192 is a vulnerability in Apache HTTP Server, classified under Uncontrolled Resource Consumption. Published 2011-08-29.
- Is CVE-2011-3192 known to be exploited?
- 61 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.