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Scientific Linux Security Update : pam on SL6.x, SL7.x i386/x86_64 (20150818)

medium Nessus Plugin ID 85564

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Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

It was discovered that the _unix_run_helper_binary() function of PAM's unix_pam module could write to a blocking pipe, possibly causing the function to become unresponsive. An attacker able to supply large passwords to the unix_pam module could use this flaw to enumerate valid user accounts, or cause a denial of service on the system.
(CVE-2015-3238)

Solution

Update the affected pam, pam-debuginfo and / or pam-devel packages.

See Also

http://www.nessus.org/u?4fa6c1d1

Plugin Details

Severity: Medium

ID: 85564

File Name: sl_20150818_pam_on_SL6_x.nasl

Version: 2.6

Type: local

Agent: unix

Published: 8/20/2015

Updated: 1/14/2021

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.3

CVSS v2

Risk Factor: Medium

Base Score: 5.8

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:pam, p-cpe:/a:fermilab:scientific_linux:pam-debuginfo, p-cpe:/a:fermilab:scientific_linux:pam-devel, x-cpe:/o:fermilab:scientific_linux

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Patch Publication Date: 8/18/2015

Vulnerability Publication Date: 8/24/2015

Reference Information

CVE: CVE-2015-3238