Multiple vulnerabilities in VideoLAN VLC Media Player

Beschreibung

Multiple serious vulnerabilities have been found in VideoLAN VLC Media Player. Malicious users can exploit these vulnerabilities to cause a denial of service or execute arbitrary code.

Below is a complete list of vulnerabilities:

1. Heap out-of-bound read in CreateHtmlSubtitle and in ParseJSS can be exploited via a specially designed subtitles file possibly to cause a denial of service;
2. Potential heap based buffer overflow in Parse JSS can be exploited via a specially designed subtitles file to execute arbitrary code;
3. Heap out-of-bound read in ParseJSS can be exploited via a specially designed subtitles file possibly to cause a denial of service.

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Technical details

Vulnerabilities (1) exists because of missing check of string termination and allow to read data beyond allocated memory.

Vulnerability (2) exists because of skipping NULL terminator in input strings.

Vulnerability (3) exists because check of string length is missed.

Ursprüngliche Informationshinweise

• git.videolan.org CVE-2017-8312 confirm

• git.videolan.org CVE-2017-8311 confirm
• git.videolan.org CVE-2017-8313 confirm
• git.videolan.org CVE-2017-8310 confirm

CVE Liste

• CVE-2017-8310
  high
• CVE-2017-8311
  high
• CVE-2017-8312
  high
• CVE-2017-8313
  high

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