Vulnerability identifier: #VU71454

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3715

CWE-ID: CWE-122

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Bash
Universal components / Libraries / Scripting languages

Vendor:

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in valid_parameter_transform() function in GNU bash. A local user can trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=2126720

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.