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Bug 1529312 - (CVE-2017-17810) CVE-2017-17810 nasm: Segfault via mishandled macro calls in asm/preproc.c
CVE-2017-17810 nasm: Segfault via mishandled macro calls in asm/preproc.c
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=20171221,reported=2...
: Security
Depends On: 1529336
Blocks:
  Show dependency tree / graph
 
Reported: 2017-12-27 10:18 EST by Pedro Sampaio
Modified: 2018-08-18 07:26 EDT (History)
2 users (show)

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Description Pedro Sampaio 2017-12-27 10:18:25 EST 
In Netwide Assembler (NASM) 2.14rc0, there is a "SEGV on unknown address" that will cause a denial of service attack, because asm/preproc.c mishandles macro calls that have the wrong number of arguments.

Upstream bug:

https://bugzilla.nasm.us/show_bug.cgi?id=3392431

Upstream patch:

http://repo.or.cz/nasm.git/commit/59ce1c67b16967c652765e62aa130b7e43f21dd4
Comment 1 Pedro Sampaio 2017-12-27 12:02:03 EST 
Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1529336]
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