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Fedora 15 : ecryptfs-utils-90-1.fc15 (2011-10733)

medium Nessus Plugin ID 56076

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Synopsis

The remote Fedora host is missing a security update.

Description

- privilege escalation via mountpoint race conditions (CVE-2011-1831, CVE-2011-1832)

 - race condition when checking source during mount (CVE-2011-1833)

 - mtab corruption via improper handling (CVE-2011-1834)

 - key poisoning via insecure temp directory handling (CVE-2011-1835)

 - information disclosure via recovery mount in /tmp (CVE-2011-1836)

 - arbitrary file overwrite via lock counter race (CVE-2011-1837)

 - improve logging messages of ecryptfs pam module

 - keep own copy of passphrase, pam clears it too early

 - keyring from auth stack does not survive, use pam_data and delayed keyring initialization

 - keyring from auth stack does not survive, use pam_data and delayed keyring initialization

 - keyring from auth stack does not survive, use pam_data and delayed keyring initialization

 - improve logging messages of ecryptfs pam module

 - keep own copy of passphrase, pam clears it too early

 - keyring from auth stack does not survive, use pam_data and delayed keyring initialization

 - keyring from auth stack does not survive, use pam_data and delayed keyring initialization

 - keyring from auth stack does not survive, use pam_data and delayed keyring initialization

 - improve logging messages of ecryptfs pam module

 - keep own copy of passphrase, pam clears it too early

 - keyring from auth stack does not survive, use pam_data and delayed keyring initialization

 - keyring from auth stack does not survive, use pam_data and delayed keyring initialization

 - keyring from auth stack does not survive, use pam_data and delayed keyring initialization

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected ecryptfs-utils package.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=729465

http://www.nessus.org/u?8d9e89ee

Plugin Details

Severity: Medium

ID: 56076

File Name: fedora_2011-10733.nasl

Version: 1.10

Type: local

Agent: unix

Published: 9/6/2011

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:ecryptfs-utils, cpe:/o:fedoraproject:fedora:15

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

Patch Publication Date: 8/12/2011

Reference Information

CVE: CVE-2011-1831, CVE-2011-1832, CVE-2011-1834, CVE-2011-1835, CVE-2011-1837

FEDORA: 2011-10733