GNU Bash Argument 255 privileges management

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CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

A vulnerability was found in GNU Bash. It has been classified as problematic. This affects an unknown code block of the component Argument Handler. The manipulation of the argument 255 with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-269. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

bash treats any character with a value of 255 as a command separator.

The weakness was disclosed 10/08/1996. This vulnerability is uniquely identified as CVE-1999-0234. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/03/2019). Due to its background and reception, this vulnerability has a historic impact.

Upgrading eliminates this vulnerability.

Affectededit

  • Caldera Openlinux
  • Red Hat Linux 3.0.3
  • SGI IRIX
  • SuSE Linux 4.2
  • Yggdrasil Linux

Productinfoedit

Vendor

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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

NVD Base Score: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-269
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

10/08/1996 🔍
10/08/1996 +0 days 🔍
06/17/2014 +6461 days 🔍
04/03/2019 +1751 days 🔍

Sourcesinfoedit

Vendor: https://www.gnu.org/

Status: Not defined

CVE: CVE-1999-0234 (🔍)

Entryinfoedit

Created: 06/17/2014 05:32 PM
Updated: 04/03/2019 03:24 PM
Changes: (9) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai source_cve_nvd_published source_cve_nvd_summary vulnerability_cwe
Complete: 🔍

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