CVE-2018-19857 : The CAF demuxer in modules/demux/caf.c in VideoLAN VLC media player 3.0.4 may re

The CAF demuxer in modules/demux/caf.c in VideoLAN VLC media player 3.0.4 may read memory from an uninitialized pointer when processing magic cookies in CAF files, because a ReadKukiChunk() cast converts a return value to an unsigned int even if that value is negative. This could result in a denial of service and/or a potential infoleak.

Published 2018-12-05 11:29:06

Updated 2019-07-25 17:15:11

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2018-19857

Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Videolan » Vlc Media Player » Version: 3.0.4
cpe:2.3:a:videolan:vlc_media_player:3.0.4:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2018-19857

Top countries where our scanners detected CVE-2018-19857

Top open port discovered on systems with this issue 8081

IPs affected by CVE-2018-19857 14

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-19857!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-19857

EPSS FAQ

41.81%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 97 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-19857

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.4	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:P	10.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: Partial
9.1	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H	3.9	5.2	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: High

CWE ids for CVE-2018-19857

CWE-824 Access of Uninitialized Pointer

The product accesses or uses a pointer that has not been initialized.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-19857

https://usn.ubuntu.com/4074-1/

USN-4074-1: VLC vulnerabilities | Ubuntu security notices

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html

[security-announce] openSUSE-SU-2019:1897-1: important: Security update

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html

[security-announce] openSUSE-SU-2019:1909-1: important: Security update

CVEs referencing this url
https://git.videolan.org/?p=vlc.git;a=commit;h=0cc5ea748ee5ff7705dde61ab15dff8f58be39d0

git.videolan.org Git - vlc.git/commit
Patch;Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html

[security-announce] openSUSE-SU-2019:2015-1: important: Security update

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html

[security-announce] openSUSE-SU-2019:1840-1: important: Security update

CVEs referencing this url
https://dyntopia.com/advisories/013-vlc

CVE-2018-19857: vlc: uninitialized memory read in caf demuxer | Hans Jerry Illikainen
Exploit;Third Party Advisory
http://www.securityfocus.com/bid/106130

VideoLAN VLC CVE-2018-19857 Integer Underflow Vulnerability
Third Party Advisory;VDB Entry
https://www.debian.org/security/2019/dsa-4366

Debian -- Security Information -- DSA-4366-1 vlc
Third Party Advisory