Vulnerability CVE-2018-19857


Published: 2018-12-05

Description:
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.

Type:

CWE-824

(Access of Uninitialized Pointer)

Vendor: Debian
Product: Debian linux 
Version: 9.0;
Vendor: Videolan
Product: Vlc media player 
Version: 3.0.4;

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.4/10
4.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
Partial

 References:
http://www.securityfocus.com/bid/106130
https://dyntopia.com/advisories/013-vlc
https://git.videolan.org/?p=vlc.git;a=commit;h=0cc5ea748ee5ff7705dde61ab15dff8f58be39d0
https://usn.ubuntu.com/4074-1/
https://www.debian.org/security/2019/dsa-4366

Related CVE
CVE-2019-14970
A vulnerability in mkv::event_thread_t in VideoLAN VLC media player 3.0.7.1 allows remote attackers to trigger a heap-based buffer overflow via a crafted .mkv file.
CVE-2019-14778
The mkv::virtual_segment_c::seek method of demux/mkv/virtual_segment.cpp in VideoLAN VLC media player 3.0.7.1 has a use-after-free.
CVE-2019-14777
The Control function of demux/mkv/mkv.cpp in VideoLAN VLC media player 3.0.7.1 has a use-after-free.
CVE-2019-14776
A heap-based buffer over-read exists in DemuxInit() in demux/asf/asf.c in VideoLAN VLC media player 3.0.7.1 via a crafted .mkv file.
CVE-2019-14535
A divide-by-zero error exists in the SeekIndex function of demux/asf/asf.c in VideoLAN VLC media player 3.0.7.1. As a result, an FPE can be triggered via a crafted WMV file.
CVE-2019-14534
In VideoLAN VLC media player 3.0.7.1, there is a NULL pointer dereference at the function SeekPercent of demux/asf/asf.c that will lead to a denial of service attack.
CVE-2019-14533
The Control function of demux/asf/asf.c in VideoLAN VLC media player 3.0.7.1 has a use-after-free.
CVE-2019-14498
A divide-by-zero error exists in the Control function of demux/caf.c in VideoLAN VLC media player 3.0.7.1. As a result, an FPE can be triggered via a crafted CAF file.

Copyright 2019, cxsecurity.com

 

Back to Top