National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2007-4727 Detail

Current Description

Buffer overflow in the fcgi_env_add function in mod_proxy_backend_fastcgi.c in the mod_fastcgi extension in lighttpd before 1.4.18 allows remote attackers to overwrite arbitrary CGI variables and execute arbitrary code via an HTTP request with a long content length, as demonstrated by overwriting the SCRIPT_FILENAME variable, aka a "header overflow."

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Provides user account access
Allows unauthorized disclosure of information
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://fedoranews.org/updates/FEDORA-2007-213.shtml
http://securityreason.com/securityalert/3127
http://secweb.se/en/advisories/lighttpd-fastcgi-remote-vulnerability/
http://trac.lighttpd.net/trac/changeset/1986
http://www.gentoo.org/security/en/glsa/glsa-200709-16.xml
http://www.lighttpd.net/assets/2007/9/9/lighttpd_sa_2007_12.txt
http://www.novell.com/linux/security/advisories/2007_20_sr.html
http://www.securityfocus.com/archive/1/479763/100/0/threaded
http://www.securityfocus.com/bid/25622
http://www.vupen.com/english/advisories/2007/3110
https://bugzilla.redhat.com/show_bug.cgi?id=284511
https://exchange.xforce.ibmcloud.com/vulnerabilities/36526
https://issues.rpath.com/browse/RPL-1715

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.4.15


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2007-4727
NVD Published Date:
09/12/2007
NVD Last Modified:
10/15/2018