Jan Kneschke lighttpd 1.4.12/1.4.13 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 declared as problematic. This affects an unknown part. Executing a manipulation with the input \r\n\r\n\ can lead to denial of service. This vulnerability is handled as CVE-2007-1869. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Jan Kneschke lighttpd 1.4.12/1.4.13 (Web Server). This vulnerability affects some unknown processing. The manipulation with the input value \r\n\r\n\ leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

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 released 04/16/2007 by Robert Jakabosky (Website). The advisory is shared for download at lighttpd.net. This vulnerability was named CVE-2007-1869 since 04/05/2007. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $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 (SA24886†). Entries connected to this vulnerability are available at VDB-3015 and VDB-36201. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: 🔍
Active Actors: 🔍
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 🔍
04/16/2007 +0 days 🔍
04/16/2007 +0 days 🔍
04/17/2007 +0 days 🔍
04/18/2007 +1 days 🔍
04/19/2007 +1 days 🔍
04/23/2007 +4 days 🔍
06/10/2007 +48 days 🔍
03/15/2021 +5027 days 🔍

Sourcesinfo

Advisory: lighttpd.net
Researcher: Robert Jakabosky
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-1869 (🔍)
GCVE (CVE): GCVE-0-2007-1869
GCVE (VulDB): GCVE-100-3016

OVAL: 🔍

X-Force: 33671 - Lighttpd \r\n\r\n denial of service, Medium Risk
SecurityFocus: 23515 - Lighttpd Multiple Remote Denial of Service Vulnerabilities
Secunia: 24886 - lighttpd "mtime" and "\r\n\r\n\" Denial of Service Vulnerabilities, Moderately Critical
OSVDB: 34175 - lighttpd CRLF Processing DoS
Vulnerability Center: 14923 - lighttpd Denial of Service via Disconnection while Parsing CRLF Sequences, High
Vupen: ADV-2007-1399

See also: 🔍

Entryinfo

Created: 04/18/2007 13:01
Updated: 03/15/2021 11:50
Changes: 04/18/2007 13:01 (86), 12/26/2016 09:48 (10), 03/15/2021 11:50 (3)
Complete: 🔍
Cache ID: 216:CD8:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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