Vulnerability Details : CVE-2011-1783
The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x and 1.6.x before 1.6.17, when the SVNPathAuthz short_circuit option is enabled, allows remote attackers to cause a denial of service (infinite loop and memory consumption) in opportunistic circumstances by requesting data.
Vulnerability category: Denial of service
Threat overview for CVE-2011-1783
Top countries where our scanners detected CVE-2011-1783
Top open port discovered on systems with this issue
8200
IPs affected by CVE-2011-1783 343
Threat actors abusing to this issue?
Yes
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affected by CVE-2011-1783!
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Exploit prediction scoring system (EPSS) score for CVE-2011-1783
Probability of exploitation activity in the next 30 days: 0.72%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 78 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-1783
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
References for CVE-2011-1783
-
http://www.redhat.com/support/errata/RHSA-2011-0862.html
SupportThird Party Advisory
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061913.html
[SECURITY] Fedora 15 Update: subversion-1.6.17-1.fc15Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=709112
709112 – (CVE-2011-1783) CVE-2011-1783 subversion (mod_dav_svn): DoS (excessive memory use) when configured to provide path-based access controlIssue Tracking;Third Party Advisory
-
http://www.securitytracker.com/id?1025618
Subversion mod_dav_svn SVNPathAuthz Infinite Memory Allocation Loop Lets Remote Users Deny Service - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.ubuntu.com/usn/USN-1144-1
USN-1144-1: Subversion vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://subversion.apache.org/security/CVE-2011-1783-advisory.txt
Vendor Advisory
-
http://svn.apache.org/repos/asf/subversion/tags/1.6.17/CHANGES
Release Notes;Vendor Advisory
-
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18889
Repository / Oval RepositoryThird Party Advisory
-
http://www.debian.org/security/2011/dsa-2251
Debian -- Security Information -- DSA-2251-1 subversionThird Party Advisory
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062211.html
[SECURITY] Fedora 14 Update: subversion-1.6.17-1.fc14Third Party Advisory
-
http://www.securityfocus.com/bid/48091
Subversion 'mod_dav_svn' Multiple Denial of Service and Information Disclosure VulnerabilitiesThird Party Advisory;VDB Entry
-
http://support.apple.com/kb/HT5130
About the security content of OS X Lion v10.7.3 and Security Update 2012-001 - Apple SupportThird Party Advisory
-
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
Apple - Lists.apple.comMailing List;Third Party Advisory
Products affected by CVE-2011-1783
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:*