Security Flaws Overview: 2005 Trends And Data Analysis Challenges

After three years of modest or no gains, the number of publicly reported vulnerabilities jumped in 2005, boosted by easy-to-find bugs in web applications. Yet, questions remain about the value of analyzing current databases, whose data rarely correlates easily. A survey of four major vulnerability databases found that the number of flaws counted by each in the past five years differed significantly. However, three of the four databases exhibited a relative plateau in the number of flaws publicly disclosed in 2002 through 2004. And, every database saw a significant increase in their count of the flaws disclosed in 2005.

A few common themes emerged from the data as well. In 2005, easy-to-find flaws in web applications were likely responsible for the majority of the increase, the database managers said in interviews with SecurityFocus. However, some of the increase came from a doubling in the number of flaws released by large software companies.

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