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AIX 5.3 TL 7 : libc (IZ50517)

medium Nessus Plugin ID 64331

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Synopsis

The remote AIX host is missing a security patch.

Description

There is a race condition in the MALLOCDEBUG debugging component of the malloc subsystem in the library libc.a. A local user can exploit this race condition when executing setuid root programs and thereby overwrite any file in the system.

The successful exploitation of this vulnerability allows a local user to overwrite arbitrary files and execute arbitrary code as the root user.

The following libraries are vulnerable :

/usr/ccs/lib/libc.a /usr/ccs/lib/libp/libc.a.

Solution

Install the appropriate interim fix.

See Also

https://aix.software.ibm.com/aix/efixes/security/libc_advisory.asc

Plugin Details

Severity: Medium

ID: 64331

File Name: aix_IZ50517.nasl

Version: 1.5

Type: local

Published: 1/30/2013

Updated: 4/21/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: cpe:/o:ibm:aix:5.3

Required KB Items: Host/local_checks_enabled, Host/AIX/version, Host/AIX/lslpp

Patch Publication Date: 5/19/2009

Vulnerability Publication Date: 5/19/2009

Reference Information

CVE: CVE-2009-1786

CWE: 362