Apache HTTP Server up to 1.3.3 mod_proxy ap_proxy_send_fb numeric error

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apache HTTP Server up to 1.3.3. The affected element is the function ap_proxy_send_fb of the component mod_proxy. Performing a manipulation results in numeric error. This vulnerability is reported as CVE-2010-0010. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apache HTTP Server up to 1.3.3 (Web Server). This affects the function ap_proxy_send_fb of the component mod_proxy. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c in mod_proxy in the Apache HTTP Server before 1.3.42 on 64-bit platforms allows remote origin servers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a large chunk size that triggers a heap-based buffer overflow.

The weakness was disclosed 02/02/2010 by Adam Zabrocki (Website). The advisory is shared at xforce.iss.net. This vulnerability is uniquely identified as CVE-2010-0010. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 44589 (Apache 1.3.x < 1.3.42 mod_proxy Integer Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86868 (Apache 1.3 mod_proxy HTTP Chunked Encoding Integer Overflow Vulnerability).

Upgrading to version 1.3.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (55941), Tenable (44589), SecurityFocus (BID 37966†), Secunia (SA38319†) and SecurityTracker (ID 1023533†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Web Server

Vendor

Apache

Name

HTTP Server

Version

License

open-source

Support

end of life (old version)

Website

Vendor: https://www.apache.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 44589
Nessus Name: Apache 1.3.x < 1.3.42 mod_proxy Integer Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: HTTP Server 1.3.4
Fortigate IPS: 🔍

Timelineinfo

12/14/2009 🔍
01/27/2010 +44 days 🔍
01/27/2010 +0 days 🔍
01/28/2010 +1 days 🔍
02/02/2010 +5 days 🔍
02/02/2010 +0 days 🔍
02/11/2010 +9 days 🔍
03/18/2015 +1861 days 🔍
02/06/2025 +3613 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: xforce.iss.net
Researcher: Adam Zabrocki
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-0010 (🔍)
GCVE (CVE): GCVE-0-2010-0010
GCVE (VulDB): GCVE-100-51717

OVAL: 🔍

X-Force: 55941
SecurityFocus: 37966 - Apache 1.3 mod_proxy HTTP Chunked Encoding Integer Overflow Vulnerability
Secunia: 38319
SecurityTracker: 1023533
Vulnerability Center: 24713 - Apache HTTP Server < 1.3.42 mod_proxy Remote Code Execution or DoS Vulnerability, High

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

Entryinfo

Created: 03/18/2015 15:15
Updated: 02/06/2025 01:59
Changes: 03/18/2015 15:15 (61), 02/20/2017 10:17 (13), 09/01/2021 00:58 (4), 09/01/2021 01:10 (1), 12/29/2024 04:43 (18), 02/06/2025 01:59 (1)
Complete: 🔍
Cache ID: 216:7C1:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.