Dag Apt Repository mod_gzip 1.3.26.1a GET Request mod_gzip_printf Accept-Encoding memory corruption

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.
6.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Dag Apt Repository mod_gzip 1.3.26.1a. This issue affects the function mod_gzip_printf of the component GET Request Handler. The manipulation of the argument Accept-Encoding with the input gzip leads to memory corruption. This vulnerability is documented as CVE-2003-0842. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Dag Apt Repository mod_gzip 1.3.26.1a. This issue affects the function mod_gzip_printf of the component GET Request Handler. The manipulation of the argument Accept-Encoding with the input value gzip leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in mod_gzip_printf for mod_gzip 1.3.26.1a and earlier, and possibly later official versions, when running in debug mode, allows remote attackers to execute arbitrary code via a long filename in a GET request with an "Accept-Encoding: gzip" header.

The weakness was released 06/01/2003 by Matthew Murphy as confirmed posting (Bugtraq). The advisory is shared at marc.theaimsgroup.com. The identification of this vulnerability is CVE-2003-0842 since 10/08/2003. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by xCrZx and been published 7 months after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (12161), Exploit-DB (126) and OSVDB (4650†). Entries connected to this vulnerability are available at VDB-20982 and VDB-20983. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: xCrZx
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

06/01/2003 🔍
10/08/2003 +128 days 🔍
11/17/2003 +40 days 🔍
11/20/2003 +3 days 🔍
11/20/2003 +0 days 🔍
03/17/2004 +118 days 🔍
08/15/2014 +3802 days 🔍
11/27/2024 +3757 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: Matthew Murphy
Status: Confirmed

CVE: CVE-2003-0842 (🔍)
GCVE (CVE): GCVE-0-2003-0842
GCVE (VulDB): GCVE-100-20981
X-Force: 12161
OSVDB: 4650 - mod_gzip for Apache HTTP Server Debug Mode Printf Stack Overflow

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

Entryinfo

Created: 08/15/2014 16:37
Updated: 11/27/2024 17:38
Changes: 08/15/2014 16:37 (49), 06/15/2018 08:10 (15), 11/27/2024 17:38 (16)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!