Vulnerability CVE-2017-1000383

Vulnerability Name:

CVE-2017-1000383 (CCN-134467)

Assigned:

2017-10-31

Published:

2017-10-31

Updated:

2017-11-27

Summary:

GNU Emacs version 25.3.1 (and other versions most likely) ignores umask when creating a backup save file ("[ORIGINAL_FILENAME]~") resulting in files that may be world readable or otherwise accessible in ways not intended by the user running the emacs binary.

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:R)

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

4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Local 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:

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

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

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

Exploitability Metrics:	Access Vector (AV): Local 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-2017-1000383

Source: CCN
Type: oss-sec Mailing List, Tue, 31 Oct 2017 13:23:52 +0100
20171031 Fw: Security risk of vim swap files

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20171031 Fw: Security risk of vim swap files

Source: BID
Type: Third Party Advisory, VDB Entry
101671

Source: CCN
Type: BID-101671
GNU Emacs CVE-2017-1000383 Local Information Disclosure Vulnerability

Source: XF
Type: UNKNOWN
gnu-emacs-cve20171000383-info-disc(134467)

Source: CCN
Type: GNU Emacs Web site
GNU Emacs - GNU Project

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-1000383

Vulnerable Configuration:

Configuration 1:

cpe:/a:gnu:emacs:*:*:*:*:*:*:*:* (Version <= 25.3.0)

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.artful:def:20171000383000	V	CVE-2017-1000383 on Ubuntu 17.10 (artful) - low.	2017-10-31
oval:com.ubuntu.bionic:def:201710003830000000	V	CVE-2017-1000383 on Ubuntu 18.04 LTS (bionic) - low.	2017-10-31
oval:com.ubuntu.bionic:def:20171000383000	V	CVE-2017-1000383 on Ubuntu 18.04 LTS (bionic) - low.	2017-10-31
oval:com.ubuntu.xenial:def:201710003830000000	V	CVE-2017-1000383 on Ubuntu 16.04 LTS (xenial) - low.	2017-10-31
oval:com.ubuntu.trusty:def:20171000383000	V	CVE-2017-1000383 on Ubuntu 14.04 LTS (trusty) - low.	2017-10-31
oval:com.ubuntu.xenial:def:20171000383000	V	CVE-2017-1000383 on Ubuntu 16.04 LTS (xenial) - low.	2017-10-31

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