Apache HTTP Server Escape Character privileges management

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.
4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache HTTP Server. It has been rated as critical. Affected is an unknown function of the component Escape Character Handler. The manipulation leads to privileges management. This vulnerability is referenced as CVE-2003-0020. Furthermore, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Apache HTTP Server (Web Server) (version unknown). It has been rated as critical. This issue affects an unknown function of the component Escape Character Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is integrity. The summary by CVE is:

Apache does not filter terminal escape sequences from its error logs, which could make it easier for attackers to insert those sequences into terminal emulators containing vulnerabilities related to escape sequences.

The weakness was published 03/18/2003 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2003-0020. 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 are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The exploit is available at exploit-db.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 15483 (Solaris 8 (x86) : 116974-07), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Solaris Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86688 (Sun Solaris Apache Web Server Multiple Vulnerabilities).

Applying a patch is able to eliminate this problem. A possible mitigation has been published 6 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (11412), Exploit-DB (9887), Tenable (15483), SecurityFocus (BID 9930†) and Vulnerability Center (SBV-4345†). Similar entries are available at VDB-706, VDB-1630, VDB-20310 and VDB-21601. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 15483
Nessus Name: Solaris 8 (x86) : 116974-07
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 12239
OpenVAS Name: Apache Error Log Escape Sequence Injection
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

03/18/2003 🔍
03/18/2003 +0 days 🔍
03/18/2003 +0 days 🔍
03/20/2004 +368 days 🔍
05/24/2004 +65 days 🔍
10/17/2004 +146 days 🔍
04/23/2008 +1284 days 🔍
08/08/2014 +2298 days 🔍
05/21/2019 +1747 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: securityfocus.com
Status: Not defined

CVE: CVE-2003-0020 (🔍)
GCVE (CVE): GCVE-0-2003-0020
GCVE (VulDB): GCVE-100-20195

OVAL: 🔍

X-Force: 11412
SecurityFocus: 9930 - Apache Error Log Escape Sequence Injection Vulnerability
Vulnerability Center: 4345 - Apache Does not Filter Terminal Escape Sequences From Error Logs, Medium

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

Entryinfo

Created: 08/08/2014 11:30
Updated: 05/21/2019 16:59
Changes: 08/08/2014 11:30 (75), 05/21/2019 16:59 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!