GNU bash up to 4.0 Terminal 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.
3.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in GNU bash 2.05/3.0/3.2/3.2.48/4.0. This affects an unknown part of the component Terminal. Such manipulation leads to input validation. This vulnerability is listed as CVE-2010-0002. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in GNU bash 2.05/3.0/3.2/3.2.48/4.0 and classified as problematic. Affected by this issue is an unknown function of the component Terminal. 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 availability. CVE summarizes:

The /etc/profile.d/60alias.sh script in the Mandriva bash package for Bash 2.05b, 3.0, 3.2, 3.2.48, and 4.0 enables the --show-control-chars option in LS_OPTIONS, which allows local users to send escape sequences to terminal emulators, or hide the existence of a file, via a crafted filename.

The weakness was presented 01/14/2010 (Website). The advisory is shared for download at mandriva.com. This vulnerability is handled as CVE-2010-0002. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 43880 (Mandriva Linux Security Advisory : bash (MDVSA-2010:004)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks.

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 Exploit-DB (33508), Tenable (43880), SecurityFocus (BID 37776†) and Vulnerability Center (SBV-24632†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.7

VulDB Base Score: 4.0
VulDB Temp Score: 3.7
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: 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

Nessus ID: 43880
Nessus Name: Mandriva Linux Security Advisory : bash (MDVSA-2010:004)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 830811
OpenVAS Name: Mandriva Update for bash MDVSA-2010:004 (bash)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/14/2009 🔍
01/13/2010 +30 days 🔍
01/13/2010 +0 days 🔍
01/14/2010 +1 days 🔍
01/14/2010 +0 days 🔍
01/19/2010 +5 days 🔍
03/18/2015 +1884 days 🔍
11/18/2024 +3533 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: mandriva.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-0002 (🔍)
GCVE (CVE): GCVE-0-2010-0002
GCVE (VulDB): GCVE-100-51548
SecurityFocus: 37776 - GNU Bash 'ls' Control Character Command Injection Vulnerability
Vulnerability Center: 24632 - Mandriva Bash Local Character Command Injection Vulnerability via a Crafted Filename, Low

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

Entryinfo

Created: 03/18/2015 15:15
Updated: 11/18/2024 05:02
Changes: 03/18/2015 15:15 (55), 02/20/2017 10:06 (8), 08/31/2021 09:18 (4), 08/31/2021 09:21 (1), 11/18/2024 05:02 (25)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!