Results for overflow

Threat Research

The Analysis of ISC BIND Response Authority Section RRSIG Missing DoS (CVE-2016-9444)

Domain Name System Security Extensions (DNSSEC) secures the Domain Name System (DNS), right? Yes, but that’s not the whole story. DNSSEC can also introduce troubles into your DNS server. Recently, a BIND bug caused by a missing RRSIG record, which is a part of DNSSEC, was fixed by a patch from the Internet Systems Consortium (ISC). This bug affects all versions of BIND recursive servers, and can cause a denial of service (DoS.) This potential DoS vulnerability is caused by a RUNTIME CHECK error in Resolver.c when handling the DNS...

By Dehui Yin February 06, 2017

Threat Research

Microsoft Kernel Integer Overflow Vulnerability

Last month I discovered and reported an integer overflow vulnerability in the Windows Registry. Last Tuesday, October 25th, Microsoft released Security Bulletin MS16-124, which contains the patch for this vulnerability, and identifies it as CVE-2016-0070. This vulnerability could lead to local privilege elevation, and is rated as “Important” by Microsoft. The vulnerability affects multiple Windows versions, and Microsoft has recommended installing this update immediately. In this blog I will share the details of this vulnerability. How...

By Honggang Ren October 31, 2016