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gentooGentoo FoundationGLSA-201512-09
HistoryDec 30, 2015 - 12:00 a.m.

encfs: Multiple vulnerabilities

2015-12-3000:00:00
Gentoo Foundation
security.gentoo.org
40

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

0.002 Low

EPSS

Percentile

61.0%

Background

Encfs is an implementation of encrypted filesystem in user-space using FUSE.

Description

Multiple vulnerabilities have been discovered in encfs. Please review the CVE identifiers referenced below for details.

Impact

A local attacker can utilize a possible buffer overflow in the encodeName method of StreamNameIO and BlockNameIO to execute arbitrary code or cause a Denial of Service. Also multiple weak cryptographics practices have been found in encfs.

Workaround

There is no known workaround at this time.

Resolution

All encfs users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-fs/encfs-1.7.5"
OSVersionArchitecturePackageVersionFilename
Gentooanyallsys-fs/encfs< 1.7.5UNKNOWN

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

0.002 Low

EPSS

Percentile

61.0%