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CVE-2006-1902Date: (C)2006-04-20   (M)2018-02-19


fold_binary in fold-const.c in GNU Compiler Collection (gcc) 4.1 improperly handles pointer overflow when folding a certain expr comparison to a corresponding offset comparison in cases other than EQ_EXPR and NE_EXPR, which might introduce buffer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.NOTE: the vendor states that the essence of the issue is "not correctly interpreting an offset to a pointer as a signed value."

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 2.1
Exploit Score: Exploit Score: 3.9
Impact Score: Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: LOCAL
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: NONE
Scope: Integrity: PARTIAL
Confidentiality: Availability: NONE
Integrity:  
Availability:  
  
Reference:
http://www.securityfocus.com/archive/1/archive/1/431184/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/431245/100/0/threaded
http://www.securityfocus.com/archive/1/431319/100/0/threaded
http://gcc.gnu.org/ml/gcc-bugs/2006-04/msg01297.html
http://gcc.gnu.org/ml/gcc-bugs/2006-04/msg01298.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=356896
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26763
http://gcc.gnu.org/viewcvs/branches/gcc-4_1-branch/gcc/fold-const.c?r1=110549&r2=112698&pathrev=112698&diff_format=h

CPE    1
cpe:/a:gnu:gcc:4.1
CWE    1
CWE-119

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