Main Vulnerability Database Vulnerabilities #VU54392

Input validation error in IBM AIX - CVE-2021-29693

Published: June 25, 2021

Vulnerability identifier: #VU54392

CSH Severity: Low

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-29693

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the lpd daemon. A local user can pass specially crafted input to the service and perform a denial of service (DoS) attack.

Affected software

IBM AIX
IBM VIOS

How to mitigate CVE-2021-29693

Install updates from vendor's website.

External References

http://aix.software.ibm.com/aix/efixes/security/lpd_advisory.asc

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