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A pair of unpatched vulnerabilities in Mozilla's Firefox browser could allow an attacker to take control of a PC simply by getting a user to visit a malicious Web site, Mozilla says.
By Gregg Keizer
TechWeb News
A pair of unpatched vulnerabilities in Mozilla's Firefox Web browser -- rated as "extremely critical" by one security firm -- could allow an attacker to take control of a PC simply by getting a user to visit a malicious Web site, Mozilla said Sunday.
Because proof-of-concept code has been leaked -- as were the vulnerabilities -- before a patch was ready, Mozilla recommended that Firefox users either disable JavaScript or lock down the browser so it doesn't install additional software, such as extensions" or themes, from Web sites.
The vulnerabilities were discovered by a pair of security researchers, who had notified Mozilla earlier in the month, but were keeping mum until a patch was written. However, details of the vulnerabilities were leaked by someone close to one of the researchers.
According to Danish security vendor Secunia, which tagged the bugs with a highest "extremely critical" warning -- the first time it's used that to describe a Firefox flaw -- a hacker can trick the browser into thinking a download is coming from one of the by-default sites permitted to install software automatically: addons.mozilla.org or update.mozilla.org.
Read the rest of the article here.
By Gregg Keizer
TechWeb News
A pair of unpatched vulnerabilities in Mozilla's Firefox Web browser -- rated as "extremely critical" by one security firm -- could allow an attacker to take control of a PC simply by getting a user to visit a malicious Web site, Mozilla said Sunday.
Because proof-of-concept code has been leaked -- as were the vulnerabilities -- before a patch was ready, Mozilla recommended that Firefox users either disable JavaScript or lock down the browser so it doesn't install additional software, such as extensions" or themes, from Web sites.
The vulnerabilities were discovered by a pair of security researchers, who had notified Mozilla earlier in the month, but were keeping mum until a patch was written. However, details of the vulnerabilities were leaked by someone close to one of the researchers.
According to Danish security vendor Secunia, which tagged the bugs with a highest "extremely critical" warning -- the first time it's used that to describe a Firefox flaw -- a hacker can trick the browser into thinking a download is coming from one of the by-default sites permitted to install software automatically: addons.mozilla.org or update.mozilla.org.
Read the rest of the article here.
