GNU Bash up to 3.2.48 Path code injection

Summaryinfo

A vulnerability marked as problematic has been reported in GNU Bash. Impacted is an unknown function of the component Path Handler. Performing a manipulation results in code injection. This vulnerability was named CVE-1999-0491. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in GNU Bash. It has been classified as problematic. This affects an unknown code of the component Path Handler. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The prompt parsing in bash allows a local user to execute commands as another user by creating a directory with the name of the command to execute.

The weakness was presented 04/20/1999 by Shadow with Opera (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-1999-0491. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (19095) and SecurityFocus (BID 119†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• GNU

Name

• Bash

Version

• 1.14.0
• 1.14.1
• 1.14.2
• 1.14.3
• 1.14.4
• 1.14.5
• 1.14.6
• 1.14.7
• 2.0
• 2.01
• 2.01.1
• 2.02
• 2.02.1
• 2.03
• 2.04
• 2.05
• 2.05b
• 3.0
• 3.0.16
• 3.1
• 3.2
• 3.2.48

License

• open-source

Website

• Vendor: https://www.gnu.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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