Bug 1160477 – VUL-1: CVE-2019-20352: nasm: heap-based buffer over-read via a crafted .asm file in set_text_free when called from expand_one_smacro in asm/preproc.c

Bug 1160477 - (CVE-2019-20352) VUL-1: CVE-2019-20352: nasm: heap-based buffer over-read via a crafted .asm file in set_text_free when called from expand_one_smacro in asm/preproc.c

(CVE-2019-20352)
Summary:	VUL-1: CVE-2019-20352: nasm: heap-based buffer over-read via a crafted .asm f...

Status:	RESOLVED WORKSFORME

Classification:	Novell Products
Product:	SUSE Security Incidents
Classification:	Novell Products
Component:	Incidents
Version:	unspecified
Hardware:	Other Other

Priority:	P5 - None Severity: Minor
Target Milestone:	---
Assigned To:	Security Team bot
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/250402/
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Reported:	2020-01-08 16:52 UTC by Wolfgang Frisch
Modified:	2020-01-08 16:55 UTC (History)
CC List:	1 user (show)

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Found By:	Security Response Team
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Description Wolfgang Frisch 2020-01-08 16:52:11 UTC

CVE-2019-20352

In Netwide Assembler (NASM) 2.15rc0, a heap-based buffer over-read occurs (via a
crafted .asm file) in set_text_free when called from expand_one_smacro in
asm/preproc.c.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-20352
http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-20352.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20352
https://bugzilla.nasm.us/show_bug.cgi?id=3392636

Comment 1 Wolfgang Frisch 2020-01-08 16:55:29 UTC

`nasm` is supported in:

SUSE:SLE-12:Update (2.10.09-4.5.1)
SUSE:SLE-15:Update (2.13.02-1.17)

Following my investigation with valgrind,
I found no issue in either version of the package.