REDHAT-BUG-1646482
First published: Mon Nov 05 2018(Updated: )
A flaw was found in elfutils 0.174. A Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is mishandled. References: <a href="https://sourceware.org/bugzilla/show_bug.cgi?id=23786">https://sourceware.org/bugzilla/show_bug.cgi?id=23786</a> <a href="https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html">https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html</a> Upstream Patch: <a href="https://sourceware.org/git/?p=elfutils.git;a=commit;h=2b16a9be69939822dcafe075413468daac98b327">https://sourceware.org/git/?p=elfutils.git;a=commit;h=2b16a9be69939822dcafe075413468daac98b327</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| elfutils |
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Reference Links
- https://sourceware.org/bugzilla/show_bug.cgi?id=23786
- https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html
- https://sourceware.org/git/?p=elfutils.git;a=commit;h=2b16a9be69939822dcafe075413468daac98b327
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1646483
- https://access.redhat.com/support/policy/updates/errata/
- https://access.redhat.com/errata/RHSA-2019:2197
- https://access.redhat.com/security/cve/cve-2018-18521
- https://bugzilla.redhat.com/show_bug.cgi?id=1646482
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