Description (CNA)
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."
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://www.securityfocus.com/archive/1/431297/100/0/threaded
- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26763
- http://www.securityfocus.com/archive/1/431245/100/0/threaded
- http://www.securityfocus.com/archive/1/431319/100/0/threaded
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=356896
- http://www.securityfocus.com/archive/1/431184/100/0/threaded
- http://gcc.gnu.org/ml/gcc-bugs/2006-04/msg01297.html
- http://gcc.gnu.org/viewcvs/branches/gcc-4_1-branch/gcc/fold-const.c?r1=110549&r2=112698&pathrev=112698&diff_format=h
- http://gcc.gnu.org/ml/gcc-bugs/2006-04/msg01298.html
ADP enrichment
No English description supplied.
- http://www.securityfocus.com/archive/1/431297/100/0/threaded
- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26763
- http://www.securityfocus.com/archive/1/431245/100/0/threaded
- http://www.securityfocus.com/archive/1/431319/100/0/threaded
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=356896
- http://www.securityfocus.com/archive/1/431184/100/0/threaded
- http://gcc.gnu.org/ml/gcc-bugs/2006-04/msg01297.html
- http://gcc.gnu.org/viewcvs/branches/gcc-4_1-branch/gcc/fold-const.c?r1=110549&r2=112698&pathrev=112698&diff_format=h
- http://gcc.gnu.org/ml/gcc-bugs/2006-04/msg01298.html