7.1
HIGH
CVE-2019-6956
Freeware Advanced Audio Decoder 2 (FAAD2) Buffer Over-Read Vulnerability
Description

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. It is a buffer over-read in ps_mix_phase in libfaad/ps_dec.c.

INFO

Published Date :

Jan. 25, 2019, 4:29 p.m.

Last Modified :

Nov. 21, 2024, 4:47 a.m.

Remotely Exploitable :

No

Impact Score :

5.2

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2019-6956 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Audiocoding freeware_advanced_audio_decoder_2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-6956.

URL Resource
https://github.com/TeamSeri0us/pocs/blob/master/faad/global-buffer-overflow%40ps_mix_phase.md Exploit Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202006-17 Third Party Advisory
https://sourceforge.net/p/faac/bugs/240/ Issue Tracking Third Party Advisory
https://www.debian.org/security/2022/dsa-5109 Third Party Advisory
https://github.com/TeamSeri0us/pocs/blob/master/faad/global-buffer-overflow%40ps_mix_phase.md Exploit Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202006-17 Third Party Advisory
https://sourceforge.net/p/faac/bugs/240/ Issue Tracking Third Party Advisory
https://www.debian.org/security/2022/dsa-5109 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-6956 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-6956 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Apr. 22, 2022

    Action Type Old Value New Value
    Changed Reference Type https://www.debian.org/security/2022/dsa-5109 No Types Assigned https://www.debian.org/security/2022/dsa-5109 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 28, 2022

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2022/dsa-5109 [No Types Assigned]
  • Modified Analysis by [email protected]

    Nov. 17, 2021

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:P)
    Removed CVSS V3 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html Mailing List, Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202006-17 No Types Assigned https://security.gentoo.org/glsa/202006-17 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.8:*:*:*:*:*:*:* OR *cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:*:*:*:*:*:*:*:* versions up to (excluding) 2.9.0
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 24, 2021

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 15, 2020

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202006-17 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 28, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 25, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/TeamSeri0us/pocs/blob/master/faad/global-buffer-overflow%40ps_mix_phase.md No Types Assigned https://github.com/TeamSeri0us/pocs/blob/master/faad/global-buffer-overflow%40ps_mix_phase.md Exploit, Patch, Third Party Advisory
    Changed Reference Type https://sourceforge.net/p/faac/bugs/240/ No Types Assigned https://sourceforge.net/p/faac/bugs/240/ Issue Tracking, Third Party Advisory
    Added CWE CWE-125
    Added CPE Configuration OR *cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.8:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-6956 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-6956 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.12 }} 0.04%

score

0.45729

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability