Oracle Web Listener 2.1 on Solaris URL input validation

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.
7.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Oracle Web Listener 2.1 on Solaris. This impacts an unknown function of the component URL Handler. Such manipulation leads to input validation. This vulnerability is uniquely identified as CVE-1999-1547. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Web Listener 2.1 on Solaris. It has been rated as critical. Affected by this issue is an unknown functionality of the component URL Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Oracle Web Listener 2.1 allows remote attackers to bypass access restrictions by replacing a character in the URL with its HTTP-encoded (hex) equivalent.

The weakness was disclosed 11/25/1999 by nemo as not defined posting (Bugtraq). The advisory is available at marc.theaimsgroup.com. This vulnerability is handled as CVE-1999-1547. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 86226 (Oracle Web Listener URL Character Substitution Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (8355), SecurityFocus (BID 841†) and Vulnerability Center (SBV-3375†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/25/1999 🔍
11/25/1999 +0 days 🔍
11/25/1999 +0 days 🔍
11/25/1999 +0 days 🔍
01/11/2004 +1508 days 🔍
06/22/2014 +3815 days 🔍
10/20/2025 +4138 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: marc.theaimsgroup.com
Researcher: nemo
Status: Confirmed

CVE: CVE-1999-1547 (🔍)
GCVE (CVE): GCVE-0-1999-1547
GCVE (VulDB): GCVE-100-15002
X-Force: 8355
SecurityFocus: 841 - Oracle Web Listener URL Character Substitution Vulnerability
Vulnerability Center: 3375 - Oracle Web Listener 2.1 Access Restrictions Bypassing by Replacing a Character in the URL, Medium

Entryinfo

Created: 06/22/2014 15:10
Updated: 10/20/2025 02:38
Changes: 06/22/2014 15:10 (60), 05/19/2019 09:15 (1), 10/20/2025 02:38 (20)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!