Multiple vulnerabilities in Google Chrome

Beschreibung

Multiple serious vulnerabilities have been found in Google Chrome. Malicious users can exploit these vulnerabilities to cause denial of service or possibly execute arbitrary code.

Below is a complete list of vulnerabilities

1. An improper user agent shadow DOM implementation at Blink can be exploited to cause denial of service or conduct another impact;
2. Lack of relayout scheduling restrictions at Blink can be exploited remotely via a specially designed HTML to cause denial of service or conduct another impact;
3. Multiple integer signedness errors at PDFium can be exploited remotely to cause denial of service or conduct another impact via a specially designed JPEG2000 data.

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Technical details

Vulnerability (1) related to ImageInputType::ensurePrimaryContent function in WebKit/Source/core/html/forms/ImageInputType.cpp. This vulnerability can be exploited via vectors related to type confusion.

Vulnerability (2) related to WebKit/Source/core/layout/LayoutObject.cpp

Vulnerability (3) related to opj_j2k_update_image_data function at j2k.c in OpenJPEG.

Ursprüngliche Informationshinweise

• Google Chrome releases blog entry

CVE Liste

• CVE-2016-1644
  critical
• CVE-2016-1643
  critical
• CVE-2016-1645
  critical

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