Jan Kneschke lighttpd 1.4.12/1.4.13 mtime denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Jan Kneschke lighttpd 1.4.12/1.4.13. It has been classified as problematic. Affected by this issue is some unknown functionality of the component mtime Handler. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2007-1869. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Jan Kneschke lighttpd 1.4.12/1.4.13 (Web Server). This affects an unknown code block of the component mtime Handler. 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. The summary by CVE is:

lighttpd 1.4.12 and 1.4.13 allows remote attackers to cause a denial of service (cpu and resource consumption) by disconnecting while lighttpd is parsing CRLF sequences, which triggers an infinite loop and file descriptor consumption.

The weakness was published 04/16/2007 by cubiq (Website). It is possible to read the advisory at lighttpd.net. This vulnerability is uniquely identified as CVE-2007-1869 since 04/05/2007. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 25052 (FreeBSD : lighttpd -- Remote DOS in CRLF parsing (d2b48d30-ea97-11db-a802-000fea2763ce)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at lighttpd.net. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (33671), Tenable (25052), SecurityFocus (BID 23515†), OSVDB (34175†) and Secunia (SA25613†). Similar entries are available at VDB-3016 and VDB-36201. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25052
Nessus Name: FreeBSD : lighttpd -- Remote DOS in CRLF parsing (d2b48d30-ea97-11db-a802-000fea2763ce)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 58862
OpenVAS Name: FreeBSD Ports: lighttpd
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: lighttpd.net

Timelineinfo

04/05/2007 🔍
04/16/2007 +11 days 🔍
04/16/2007 +0 days 🔍
04/16/2007 +0 days 🔍
04/17/2007 +0 days 🔍
04/18/2007 +1 days 🔍
04/19/2007 +1 days 🔍
06/10/2007 +52 days 🔍
06/11/2007 +1 days 🔍
03/15/2021 +5026 days 🔍

Sourcesinfo

Advisory: lighttpd.net
Researcher: cubiq
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-1869 (🔍)
GCVE (CVE): GCVE-0-2007-1869
GCVE (VulDB): GCVE-100-3015

OVAL: 🔍

X-Force: 33671 - Lighttpd \r\n\r\n denial of service, Medium Risk
SecurityFocus: 23515 - Lighttpd Multiple Remote Denial of Service Vulnerabilities
Secunia: 25613 - Debian update for lighttpd, Moderately Critical
OSVDB: 34175 - lighttpd CRLF Processing DoS
Vupen: ADV-2007-1399

See also: 🔍

Entryinfo

Created: 04/18/2007 13:01
Updated: 03/15/2021 11:48
Changes: 04/18/2007 13:01 (79), 09/25/2016 23:56 (4), 03/15/2021 11:43 (8), 03/15/2021 11:48 (1)
Complete: 🔍
Cache ID: 216:E4C:103

Be aware that VulDB is the high quality source for vulnerability data.

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