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* [Bug dynamic-link/14055] New: _dl_show_auxv may cause out-of-bounds access and crash
@ 2012-05-02 21:25 ppluzhnikov at google dot com
2012-05-02 21:38 ` [Bug dynamic-link/14055] " ppluzhnikov at google dot com
2014-06-25 11:07 ` fweimer at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: ppluzhnikov at google dot com @ 2012-05-02 21:25 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=14055
Bug #: 14055
Summary: _dl_show_auxv may cause out-of-bounds access and crash
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
AssignedTo: unassigned@sourceware.org
ReportedBy: ppluzhnikov@google.com
Classification: Unclassified
Created attachment 6387
--> http://sourceware.org/bugzilla/attachment.cgi?id=6387
proposed patch
Original report:
http://sourceware.org/ml/libc-alpha/2012-04/msg01201.html
In _dl_show_auxv(), when handling unknown a_type values, auxvars[] could
be accessed out of bounds and cause a crash.
Attached patch fixes that.
Tested on Linux/x86_64, no regressions.
Google ref: b/6412609
Patch has been approved:
http://sourceware.org/ml/libc-alpha/2012-05/msg00055.html
and will be committed shortly.
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* [Bug dynamic-link/14055] _dl_show_auxv may cause out-of-bounds access and crash
2012-05-02 21:25 [Bug dynamic-link/14055] New: _dl_show_auxv may cause out-of-bounds access and crash ppluzhnikov at google dot com
@ 2012-05-02 21:38 ` ppluzhnikov at google dot com
2014-06-25 11:07 ` fweimer at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: ppluzhnikov at google dot com @ 2012-05-02 21:38 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=14055
Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #1 from Paul Pluzhnikov <ppluzhnikov at google dot com> 2012-05-02 21:37:47 UTC ---
Fix committed:
http://sourceware.org/git/?p=glibc.git;a=commit;h=171a70b4c0173533f6f803ec6bc8c2ed910cc468
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* [Bug dynamic-link/14055] _dl_show_auxv may cause out-of-bounds access and crash
2012-05-02 21:25 [Bug dynamic-link/14055] New: _dl_show_auxv may cause out-of-bounds access and crash ppluzhnikov at google dot com
2012-05-02 21:38 ` [Bug dynamic-link/14055] " ppluzhnikov at google dot com
@ 2014-06-25 11:07 ` fweimer at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: fweimer at redhat dot com @ 2014-06-25 11:07 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=14055
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Flags| |security-
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2012-05-02 21:25 [Bug dynamic-link/14055] New: _dl_show_auxv may cause out-of-bounds access and crash ppluzhnikov at google dot com
2012-05-02 21:38 ` [Bug dynamic-link/14055] " ppluzhnikov at google dot com
2014-06-25 11:07 ` fweimer at redhat dot com
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