X.org X Window System Xt 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.
8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in X.org X Window System. It has been declared as problematic. This impacts an unknown function in the library Xt. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-1999-0040. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in X.org X Window System (Windowing System Software) (version now known). Affected by this issue is some unknown processing in the library Xt. The manipulation with an unknown input 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. CVE summarizes:

buffer overflow in xt library of x windowing system allows local users to execute commands with root privileges.

The weakness was published 05/01/1997 by bloodmask (Website). The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-1999-0040. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (489), Exploit-DB (322), SecurityFocus (BID 237†), OSVDB (948†) and Vulnerability Center (SBV-558†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
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: Partially
Local: Yes
Remote: No

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

0-Day Time: 🔍

Timelineinfo

05/01/1997 🔍
05/01/1997 +0 days 🔍
05/01/1997 +0 days 🔍
08/25/1997 +116 days 🔍
12/29/2002 +1952 days 🔍
02/21/2003 +54 days 🔍
06/17/2014 +4133 days 🔍
10/04/2024 +3762 days 🔍

Sourcesinfo

Vendor: x.org

Advisory: exploit-db.com
Researcher: bloodmask
Status: Not defined

CVE: CVE-1999-0040 (🔍)
GCVE (CVE): GCVE-0-1999-0040
GCVE (VulDB): GCVE-100-13880
X-Force: 489
SecurityFocus: 237 - Multiple Vendor libXt library Vulnerability
OSVDB: 948 - Multiple Vendor libXt Library Local Overflow
Vulnerability Center: 558 - Buffer Overflow in libXt Library Allows Local Privilege Elevation, Medium

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

Entryinfo

Created: 06/18/2014 01:20
Updated: 10/04/2024 09:09
Changes: 06/18/2014 01:20 (62), 05/07/2019 12:25 (4), 10/04/2024 09:09 (16)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!