6.4
MEDIUM
CVE-2007-3946
Lighttpd Denial of Service and Memory Leak Vulnerability
Description

mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving (1) a memory leak, (2) use of md5-sess without a cnonce, (3) base64 encoded strings, and (4) trailing whitespace in the Auth-Digest header.

INFO

Published Date :

July 24, 2007, 12:30 a.m.

Last Modified :

April 9, 2025, 12:30 a.m.

Remotely Exploitable :

Yes !

Impact Score :

4.9

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2007-3946 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Lighttpd lighttpd
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2007-3946.

URL Resource
http://osvdb.org/38314
http://osvdb.org/38315
http://osvdb.org/38316
http://osvdb.org/38317
http://secunia.com/advisories/26130 Patch
http://secunia.com/advisories/26158 Vendor Advisory
http://secunia.com/advisories/26505
http://secunia.com/advisories/26593
http://security.gentoo.org/glsa/glsa-200708-11.xml
http://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875
http://trac.lighttpd.net/trac/changeset/1875
http://www.debian.org/security/2007/dsa-1362
http://www.novell.com/linux/security/advisories/2007_15_sr.html
http://www.securityfocus.com/archive/1/474131/100/0/threaded
http://www.securityfocus.com/bid/24967
http://www.vupen.com/english/advisories/2007/2585
https://issues.rpath.com/browse/RPL-1550
https://issues.rpath.com/browse/RPL-1554
http://osvdb.org/38314
http://osvdb.org/38315
http://osvdb.org/38316
http://osvdb.org/38317
http://secunia.com/advisories/26130 Patch
http://secunia.com/advisories/26158 Vendor Advisory
http://secunia.com/advisories/26505
http://secunia.com/advisories/26593
http://security.gentoo.org/glsa/glsa-200708-11.xml
http://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875
http://trac.lighttpd.net/trac/changeset/1875
http://www.debian.org/security/2007/dsa-1362
http://www.novell.com/linux/security/advisories/2007_15_sr.html
http://www.securityfocus.com/archive/1/474131/100/0/threaded
http://www.securityfocus.com/bid/24967
http://www.vupen.com/english/advisories/2007/2585
https://issues.rpath.com/browse/RPL-1550
https://issues.rpath.com/browse/RPL-1554

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2007-3946 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2007-3946 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://osvdb.org/38314
    Added Reference http://osvdb.org/38315
    Added Reference http://osvdb.org/38316
    Added Reference http://osvdb.org/38317
    Added Reference http://secunia.com/advisories/26130
    Added Reference http://secunia.com/advisories/26158
    Added Reference http://secunia.com/advisories/26505
    Added Reference http://secunia.com/advisories/26593
    Added Reference http://security.gentoo.org/glsa/glsa-200708-11.xml
    Added Reference http://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875
    Added Reference http://trac.lighttpd.net/trac/changeset/1875
    Added Reference http://www.debian.org/security/2007/dsa-1362
    Added Reference http://www.novell.com/linux/security/advisories/2007_15_sr.html
    Added Reference http://www.securityfocus.com/archive/1/474131/100/0/threaded
    Added Reference http://www.securityfocus.com/bid/24967
    Added Reference http://www.vupen.com/english/advisories/2007/2585
    Added Reference https://issues.rpath.com/browse/RPL-1550
    Added Reference https://issues.rpath.com/browse/RPL-1554
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 15, 2018

    Action Type Old Value New Value
    Removed Reference http://www.securityfocus.com/archive/1/archive/1/474131/100/0/threaded [No Types Assigned]
    Added Reference http://www.securityfocus.com/archive/1/474131/100/0/threaded [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 24, 2007

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2007-3946 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2007-3946 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

3.05 }} -1.23%

score

0.85483

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability