CVE-2018-19857

Severity Score

9.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

El demuxer CAF en modules/demux/caf.c en VideoLAN VLC media player 3.0.4 podría leer memoria desde un puntero no inicializado al procesar cookies mágicas en los archivos CAF. Esto se debe a que una conversión ReadKukiChunk() convierte un valor de retorno a un entero sin firmar, incluso aunque ese valor sea negativo. Esto podría resultar en una denegación de servicio (DoS) o una potencial divulgación de información.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-12-05 CVE Reserved
2018-12-05 CVE Published
2024-06-30 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-824: Access of Uninitialized Pointer

CAPEC

References (9)

URL	Tag	Source
http://www.securityfocus.com/bid/106130	Third Party Advisory
https://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=0cc5ea748ee5ff7705dde61ab15dff8f58be39d0	X_refsource_misc

URL	Date	SRC
https://dyntopia.com/advisories/013-vlc	2024-08-05

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html	2023-11-07
https://usn.ubuntu.com/4074-1	2023-11-07
https://www.debian.org/security/2019/dsa-4366	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Videolan Search vendor "Videolan"		Vlc Media Player Search vendor "Videolan" for product "Vlc Media Player"				3.0.4 Search vendor "Videolan" for product "Vlc Media Player" and version "3.0.4"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected