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>> Link Grammar "separate_sentence()" Function Buffer Overflow Vulnerability
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Title : Link Grammar "separate_sentence()" Function Buffer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2007-3770
CVE ID : CVE-2007-5395
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-11-07
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A vulnerability has been identified in Link Grammar, which could be exploited by remote attackers to cause a denial of service or compromise a vulnerable system. This issue is caused by a buffer overflow error in the "separate_word()" [tokenize.c] function when processing overly long words (more than 61 bytes), which could be exploited by attacker to execute arbitrary code via a specially crafted sentence.
Affected Products
Link Grammar version 4.1b and prior
Solution
VUPEN Security is not aware of any vendor-supplied patch.
References
http://www.vupen.com/english/advisories/2007/3770
http://secunia.com/secunia_research/2007-78/advisory
Credits
Vulnerability reported by Alin Rad Pop (Secunia Research).
ChangeLog
2007-11-07 : Initial release
Vulnerability Management
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