Vulnerability CVE-2017-9996

Vulnerability Name:

CVE-2017-9996 (CCN-127785)

Assigned:

2017-05-05

Published:

2017-05-05

Updated:

2017-07-05

Summary:

The cdxl_decode_frame function in libavcodec/cdxl.c in FFmpeg 2.8.x before 2.8.12, 3.0.x before 3.0.8, 3.1.x before 3.1.8, 3.2.x before 3.2.5, and 3.3.x before 3.3.1 does not exclude the CHUNKY format, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file.

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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): High Integrity (I): High 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:

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

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial 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-119

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2017-9996

Source: BID
Type: Third Party Advisory, VDB Entry
99323

Source: CCN
Type: BID-99323
FFmpeg CVE-2017-9996 Heap Buffer Overflow Vulnerability

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1378

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1427

Source: XF
Type: UNKNOWN
ffmpeg-cve20179996-dos(127785)

Source: CCN
Type: FFmpeg GIT Repository
avcodec/cdxl: Check format for BGR24

Source: MISC
Type: Issue Tracking, Patch, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/1e42736b95065c69a7481d0cf55247024f54b660

Source: CCN
Type: FFmpeg GIT Repository
avcodec/cdxl: Check format parameter

Source: MISC
Type: Issue Tracking, Patch, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/e1b60aad77c27ed5d4dfc11e5e6a05a38c70489d

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-9996

Vulnerable Configuration:

Configuration 1:

cpe:/a:ffmpeg:ffmpeg:2.8:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:2.8.1:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:2.8.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:2.8.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:2.8.4:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:2.8.5:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:2.8.6:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:2.8.7:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:2.8.8:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:2.8.9:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:2.8.10:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:2.8.11:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.0:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.0.1:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.0.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.0.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.0.4:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.0.5:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.0.6:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.0.7:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.1:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.1.1:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.1.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.1.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.1.4:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.1.5:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.1.6:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.1.7:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.2.1:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.2.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.2.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.2.4:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:3.3:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:ffmpeg:ffmpeg:3.3:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:201799960000000	V	CVE-2017-9996 on Ubuntu 16.04 LTS (xenial) - medium.	2017-06-28
oval:com.ubuntu.artful:def:20179996000	V	CVE-2017-9996 on Ubuntu 17.10 (artful) - medium.	2017-06-28
oval:com.ubuntu.xenial:def:20179996000	V	CVE-2017-9996 on Ubuntu 16.04 LTS (xenial) - medium.	2017-06-28
oval:com.ubuntu.disco:def:201799960000000	V	CVE-2017-9996 on Ubuntu 19.04 (disco) - medium.	2017-06-28
oval:com.ubuntu.bionic:def:20179996000	V	CVE-2017-9996 on Ubuntu 18.04 LTS (bionic) - medium.	2017-06-28
oval:com.ubuntu.cosmic:def:201799960000000	V	CVE-2017-9996 on Ubuntu 18.10 (cosmic) - medium.	2017-06-28
oval:com.ubuntu.cosmic:def:20179996000	V	CVE-2017-9996 on Ubuntu 18.10 (cosmic) - medium.	2017-06-28
oval:com.ubuntu.bionic:def:201799960000000	V	CVE-2017-9996 on Ubuntu 18.04 LTS (bionic) - medium.	2017-06-28
oval:com.ubuntu.trusty:def:20179996000	V	CVE-2017-9996 on Ubuntu 14.04 LTS (trusty) - medium.	2017-06-28

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