Vulnerability CVE-2017-12783

Vulnerability Name:

CVE-2017-12783 (CCN-134583)

Assigned:

2017-11-07

Published:

2017-11-07

Updated:

2017-11-22

Summary:

The ReadDataFloat function in ebmlnumber.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.

CVSS v3 Severity:

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

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

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

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

CVSS v2 Severity:

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

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

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

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

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2017-12783

Source: MISC
Type: Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html

Source: CCN
Type: Full-Disclosure Mailing List, Tue, 7 Nov 2017 13:48:53 +0800 (GMT+08:00)
mkvalidator libebml2 mkclean multiple vulnerabilities

Source: FULLDISC
Type: Exploit, Mailing List, Third Party Advisory
20171106 mkvalidator libebml2 mkclean multiple vulnerabilities

Source: XF
Type: UNKNOWN
matroska-cve201712783-dos(134583)

Source: CCN
Type: foundation-source GIT Repository
Multiple bugs #24

Source: CONFIRM
Type: Exploit, Third Party Advisory
https://github.com/Matroska-Org/foundation-source/issues/24

Source: CCN
Type: Packet Storm Security [11-07-2017]
mkvalidator 0.5.1 Denial Of Service

Vulnerable Configuration:

Configuration 1:

cpe:/a:matroska:libebml2:*:*:*:*:*:*:*:* (Version <= 2012-08-26)

OR cpe:/a:matroska:mkclean:0.8.9:*:*:*:*:*:*:*

OR cpe:/a:matroska:mkvalidator:0.5.1:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:matroska:libebml2:2012-08-26:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:2017127830000000	V	CVE-2017-12783 on Ubuntu 16.04 LTS (xenial) - untriaged.	2017-11-09
oval:com.ubuntu.artful:def:201712783000	V	CVE-2017-12783 on Ubuntu 17.10 (artful) - untriaged.	2017-11-09
oval:com.ubuntu.xenial:def:201712783000	V	CVE-2017-12783 on Ubuntu 16.04 LTS (xenial) - untriaged.	2017-11-09
oval:com.ubuntu.bionic:def:201712783000	V	CVE-2017-12783 on Ubuntu 18.04 LTS (bionic) - untriaged.	2017-11-09
oval:com.ubuntu.cosmic:def:2017127830000000	V	CVE-2017-12783 on Ubuntu 18.10 (cosmic) - untriaged.	2017-11-09
oval:com.ubuntu.cosmic:def:201712783000	V	CVE-2017-12783 on Ubuntu 18.10 (cosmic) - untriaged.	2017-11-09
oval:com.ubuntu.bionic:def:2017127830000000	V	CVE-2017-12783 on Ubuntu 18.04 LTS (bionic) - untriaged.	2017-11-09
oval:com.ubuntu.trusty:def:201712783000	V	CVE-2017-12783 on Ubuntu 14.04 LTS (trusty) - untriaged.	2017-11-09

BACK