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Bug 1625055 - (CVE-2018-16403) CVE-2018-16403 elfutils: Heap-based buffer over-read in libdw/dwarf_getabbrev.c and libwd/dwarf_hasattr.c causes crash
CVE-2018-16403 elfutils: Heap-based buffer over-read in libdw/dwarf_getabbrev...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20180815,reported=2...
: Security
Depends On: 1625057 1625418 1625419 1625420 1625056
Blocks: 1625054
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Reported: 2018-09-04 00:45 EDT by Sam Fowler
Modified: 2018-10-24 08:36 EDT (History)
26 users (show)

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Description Sam Fowler 2018-09-04 00:45:51 EDT 
Elfutils through version 0.173 is vulnerable to a heap-based buffer over-read due to incorrect checks for the end of attribute lists in the libdw/dwarf_getabbrev.c:__libdw_getabbrev() and libdw/dwarf_hasattr.c:dwarf_hasattr() functions. An attacker could exploit this to cause a crash via a crafted ELF.


Upstream Bug:

https://sourceware.org/bugzilla/show_bug.cgi?id=23529


Upstream Patch:

https://sourceware.org/git/?p=elfutils.git;a=patch;h=6983e59b727458a6c64d9659c85f08218bc4fcda
Comment 1 Sam Fowler 2018-09-04 00:46:40 EDT 
Created elfutils tracking bugs for this issue:

Affects: fedora-all [bug 1625056]
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