Ubuntu update for bash



Published: 2024-03-18
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-3715
CWE-ID CWE-122
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Ubuntu
Operating systems & Components / Operating system

bash (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU71454

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 - Heap-based Buffer Overflow

Exploit availability: No

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

Update the affected package bash to the latest version.

Vulnerable software versions

Ubuntu: 22.04

bash (Ubuntu package): before 5.1-6ubuntu1.1

External links

http://ubuntu.com/security/notices/USN-6697-1


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.



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