lighttpd 1.4.15 connections.c denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability was found in lighttpd 1.4.15 (Web Server). It has been classified as problematic. Affected is an unknown part of the file connections.c. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

connections.c in lighttpd before 1.4.16 might accept more connections than the configured maximum, which allows remote attackers to cause a denial of service (failed assertion) via a large number of connection attempts.

The bug was discovered 06/15/2007. The weakness was published 06/15/2007 (Website). The advisory is available at secunia.com. This vulnerability is traded as CVE-2007-3948 since 07/23/2007. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

A public exploit has been developed in Ruby. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 33507 (Debian DSA-1609-1 : lighttpd - various), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 87262 (Lighttpd Multiple Vulnerabilities).

Upgrading to version 1.4.15 eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (33507). Similar entries are available at 37952, 37951, 37949 and 37948.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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CVSSv2info

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Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

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Price Prediction: 🔍
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Nessus ID: 33507
Nessus Name: Debian DSA-1609-1 : lighttpd - various
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 61357
OpenVAS Name: Debian Security Advisory DSA 1609-1 (lighttpd)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Upgrade: lighttpd 1.4.15

Timelineinfo

04/16/2007 🔍
04/16/2007 +0 days 🔍
06/15/2007 +60 days 🔍
06/15/2007 +0 days 🔍
07/20/2007 +34 days 🔍
07/20/2007 +0 days 🔍
07/23/2007 +2 days 🔍
07/23/2007 +0 days 🔍
08/28/2007 +36 days 🔍
07/15/2008 +322 days 🔍
07/16/2008 +1 days 🔍
03/15/2015 +2433 days 🔍
07/21/2021 +2320 days 🔍

Sourcesinfo

Advisory: 1873⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-3948 (🔍)
OVAL: 🔍

Vulnerability Center: 15935 - Lighttpd Connections.c Vulnerability Allows Remote Attacker to Cause DoS, High
SecurityFocus: 24967 - Lighttpd Multiple Code Execution, Denial of Service and Information Disclosure Vulnerabilities
Secunia: 26130
OSVDB: 38312 - lighttpd connections.c Connection Saturation Remote DoS
Vupen: ADV-2007-2585

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/15/2015 15:58
Updated: 07/21/2021 10:03
Changes: 03/15/2015 15:58 (87), 07/24/2019 11:39 (3), 07/21/2021 10:03 (3)
Complete: 🔍

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