Bug 1452591 (CVE-2017-9054) - CVE-2017-9054 libdwarf: heap-based buffer over-read in _dwarf_decode_s_leb128_chk()
Summary: CVE-2017-9054 libdwarf: heap-based buffer over-read in _dwarf_decode_s_leb128...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-9054
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1452593 1452594
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-05-19 09:36 UTC by Adam Mariš
Modified: 2019-09-29 14:13 UTC (History)
2 users (show)

Fixed In Version:
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Last Closed: 2019-06-08 03:12:53 UTC
Embargoed:

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Description Adam Mariš 2017-05-19 09:36:45 UTC 
An issue, also known as DW201703-002, was discovered in libdwarf 2017-03-21. In _dwarf_decode_s_leb128_chk() a byte pointer was dereferenced just before it was checked for being in bounds, leading to a heap-based buffer over-read.

Reference:

https://www.prevanders.net/dwarfbug.html#DW201703-002
Comment 1 Adam Mariš 2017-05-19 09:40:31 UTC 
Created libdwarf tracking bugs for this issue:

Affects: epel-all [bug 1452593]
Affects: fedora-all [bug 1452594]
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