Vulnerability CVE-2014-3462

Vulnerability Name:

CVE-2014-3462 (CCN-132522)

Assigned:

2014-05-14

Published:

2014-05-14

Updated:

2020-08-21

Summary:

The ".encfs6.xml" configuration file in encfs before 1.7.5 allows remote attackers to access sensitive data by setting "blockMACBytes" to 0 and adding 8 to "blockMACRandBytes".

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): None Availibility (A): None

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

Vulnerability Type:

CWE-200

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2014-3462

Source: SUSE
Type: Third Party Advisory
openSUSE-SU-2017:0158

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20140514 Re: A number of EncFS issues

Source: CCN
Type: Red Hat Bugzilla Bug 1097537
(CVE-2014-3462) CVE-2014-3462 fuse-encfs: multiple cryptography issues

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1097537

Source: XF
Type: UNKNOWN
encfs-cve20143462-info-disc(132522)

Source: CCN
Type: EncFS GIT Repository
EncFS

Source: GENTOO
Type: Third Party Advisory, VDB Entry
GLSA-201512-09

Vulnerable Configuration:

Configuration 1:

cpe:/o:opensuse:leap:42.1:*:*:*:*:*:*:*

OR cpe:/o:opensuse:leap:42.2:*:*:*:*:*:*:*

OR cpe:/o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

Configuration 2:

cpe:/a:encfs_project:encfs:*:*:*:*:*:*:*:* (Version < 1.7.5)

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:20143462	V	CVE-2014-3462	2018-05-02
oval:com.ubuntu.cosmic:def:201434620000000	V	CVE-2014-3462 on Ubuntu 18.10 (cosmic) - high.	2017-08-07
oval:com.ubuntu.artful:def:20143462000	V	CVE-2014-3462 on Ubuntu 17.10 (artful) - high.	2017-08-07
oval:com.ubuntu.trusty:def:20143462000	V	CVE-2014-3462 on Ubuntu 14.04 LTS (trusty) - high.	2017-08-07
oval:com.ubuntu.bionic:def:201434620000000	V	CVE-2014-3462 on Ubuntu 18.04 LTS (bionic) - high.	2017-08-07
oval:com.ubuntu.bionic:def:20143462000	V	CVE-2014-3462 on Ubuntu 18.04 LTS (bionic) - high.	2017-08-07
oval:com.ubuntu.xenial:def:20143462000	V	CVE-2014-3462 on Ubuntu 16.04 LTS (xenial) - high.	2017-08-07
oval:com.ubuntu.xenial:def:201434620000000	V	CVE-2014-3462 on Ubuntu 16.04 LTS (xenial) - high.	2017-08-07
oval:com.ubuntu.cosmic:def:20143462000	V	CVE-2014-3462 on Ubuntu 18.10 (cosmic) - high.	2017-08-07
oval:com.ubuntu.disco:def:201434620000000	V	CVE-2014-3462 on Ubuntu 19.04 (disco) - high.	2017-08-07
oval:com.ubuntu.precise:def:20143462000	V	CVE-2014-3462 on Ubuntu 12.04 LTS (precise) - high.	2014-05-15

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