Bug 1529335 – CVE-2017-17820 nasm: Use-after-free in pp_list_one_macro function in asm/preproc.c

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Bug 1529335 - (CVE-2017-17820) CVE-2017-17820 nasm: Use-after-free in pp_list_one_macro function in asm/preproc.c

Summary:	CVE-2017-17820 nasm: Use-after-free in pp_list_one_macro function in asm/prep...

Status:	NEW

Aliases:	CVE-2017-17820

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=low,public=20171221,reported=2...
Keywords:	Security

Depends On:	1529336
Blocks:
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Reported:	2017-12-27 11:59 EST by Pedro Sampaio
Modified:	2018-08-18 07:30 EDT (History)
CC List:	2 users (show)

See Also:
Fixed In Version:	nasm 2.13.02
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Description Pedro Sampaio 2017-12-27 11:59:50 EST

In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in pp_list_one_macro in asm/preproc.c that will lead to denial of service, related to mishandling of operand-type errors.

Upstream bug:

https://bugzilla.nasm.us/show_bug.cgi?id=3392433

Comment 1 Pedro Sampaio 2017-12-27 12:01:46 EST

Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1529336]

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