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Bug 1529334 - (CVE-2017-17819) CVE-2017-17819 nasm: Illegal address access in find_cc function in asm/preproc.c
CVE-2017-17819 nasm: Illegal address access in find_cc function 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 11:56 EST by Pedro Sampaio
Modified: 2018-08-18 07:28 EDT (History)
2 users (show)

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Description Pedro Sampaio 2017-12-27 11:56:33 EST 
In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the function find_cc() in asm/preproc.c that will cause denial of service, because pointers associated with skip_white_ calls are not validated.

Upstream bug:

https://bugzilla.nasm.us/show_bug.cgi?id=3392435

Upstream patch:

http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af
Comment 1 Pedro Sampaio 2017-12-27 12:01:38 EST 
Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1529336]
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