Advisory Details

March 23rd, 2018

(Pwn2Own) Mozilla Firefox libvorbis OGG Decoding Out-Of-Bounds Write Remote Code Execution Vulnerability

CVE ID	CVE-2018-5146
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Mozilla
AFFECTED PRODUCTS	Firefox
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['30817']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Mozilla Firefox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the libvorbis library. A crafted Vorbis audio file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code under the context of the current process.
ADDITIONAL DETAILS	Mozilla has issued an update to correct this vulnerability. More details can be found at: https://www.mozilla.org/en-US/security/advisories/mfsa2018-08/
DISCLOSURE TIMELINE	2018-03-18 - Vulnerability reported to vendor 2018-03-23 - Coordinated public release of advisory 2018-03-23 - Advisory Updated
CREDIT	Richard Zhu (fluorescence)

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