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CVE-2018-19857

Date: December 5, 2018

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.

Language: C

Severity Score

Related Resources (13)

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html
https://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=0cc5ea748ee5ff7705dde61ab15dff8f58be39d0
https://www.debian.org/security/2019/dsa-4366
https://usn.ubuntu.com/4074-1/
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html
https://security-tracker.debian.org/tracker/CVE-2018-19857
https://dyntopia.com/advisories/013-vlc
https://nvd.nist.gov/vuln/detail/CVE-2018-19857
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-19857
http://www.securityfocus.com/bid/106130
https://www.mend.io/vulnerability-database/CVE-2018-19857

Severity Score

Weakness Type (CWE)

Access of Uninitialized Pointer

CWE-824

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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