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CVE-2006-0459

Date: (C)2006-03-29   (M)2017-07-21 


flex.skl in Will Estes and John Millaway Fast Lexical Analyzer Generator (flex) before 2.5.33 does not allocate enough memory for grammars containing (1) REJECT statements or (2) trailing context rules, which causes flex to generate code that contains a buffer overflow that might allow context-dependent attackers to execute arbitrary code.

CVSS Score: 7.5Access Vector: NETWORK
Exploit Score: 10.0Access Complexity: LOW
Impact Score: 6.4Authentication: NONE
 Confidentiality: PARTIAL
 Integrity: PARTIAL
 Availability: PARTIAL





Reference:
BID-16896
SECUNIA-19071
SECUNIA-19126
SECUNIA-19228
SECUNIA-19424
OSVDB-23440
SREASON-570
ADV-2006-0770
DSA-1020
GLSA-200603-07
USN-260-1
http://sourceforge.net/mailarchive/forum.php?thread_name=20060223020346.GA11231%40tabitha.home.tldz.org&forum_name=flex-announce
flex-bypass-security(24995)
http://prdownloads.sourceforge.net/flex/flex-2.5.33.tar.bz2?download

CWE    1
CWE-119

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