Secunia Advisory SA27546Perl Regular Expressions Unicode Data Buffer Overflow
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Description
Tavis Ormandy and Will Drewry have reported a vulnerability in Perl, which potentially can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to a boundary error within the processing of regular expressions containing Unicode data. This can be exploited to cause a buffer overflow via a specially crafted regular expression causing a runtime switch to the Unicode character scheme. The vulnerability is reported in version 5.8.8. Other versions may also be affected. NOTE: An additional potential vulnerability related to the processing of Unicode characters in regular expressions has also been reported. Solution Provided and/or discovered by Deep Links Do you have additional information related to this advisory?Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com
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