nasm: CVE-2018-19755

Related Vulnerabilities: CVE-2018-19755  

Debian Bug report logs - #915087
nasm: CVE-2018-19755

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Reported by: Salvatore Bonaccorso <carnil@debian.org>

Date: Fri, 30 Nov 2018 09:12:02 UTC

Severity: important

Tags: fixed-upstream, patch, security, upstream

Found in version nasm/2.14-1

Forwarded to https://bugzilla.nasm.us/show_bug.cgi?id=3392528

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Report forwarded to debian-bugs-dist@lists.debian.org, carnil@debian.org, team@security.debian.org, team@security.debian.org, Anibal Monsalve Salazar <anibal@debian.org>:
Bug#915087; Package src:nasm. (Fri, 30 Nov 2018 09:12:04 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
New Bug report received and forwarded. Copy sent to carnil@debian.org, team@security.debian.org, team@security.debian.org, Anibal Monsalve Salazar <anibal@debian.org>. (Fri, 30 Nov 2018 09:12:04 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: nasm: CVE-2018-19755
Date: Fri, 30 Nov 2018 10:08:58 +0100
Source: nasm
Version: 2.14-1
Severity: important
Tags: patch security upstream
Forwarded: https://bugzilla.nasm.us/show_bug.cgi?id=3392528

Hi,

The following vulnerability was published for nasm.

CVE-2018-19755[0]:
| There is an illegal address access at asm/preproc.c (function:
| is_mmacro) in Netwide Assembler (NASM) 2.14rc16 that will cause a
| denial of service (out-of-bounds array access) because a certain
| conversion can result in a negative integer.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2018-19755
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19755
[1] https://bugzilla.nasm.us/show_bug.cgi?id=3392528
[2] https://repo.or.cz/nasm.git/commit/3079f7966dbed4497e36d5067cbfd896a90358cb

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore



Added tag(s) fixed-upstream. Request was from debian-bts-link@lists.debian.org to control@bugs.debian.org. (Thu, 06 Dec 2018 17:45:06 GMT) (full text, mbox, link).


Information forwarded to debian-bugs-dist@lists.debian.org, Anibal Monsalve Salazar <anibal@debian.org>:
Bug#915087; Package src:nasm. (Tue, 19 Feb 2019 16:42:09 GMT) (full text, mbox, link).


Acknowledgement sent to Moritz Mühlenhoff <jmm@inutil.org>:
Extra info received and forwarded to list. Copy sent to Anibal Monsalve Salazar <anibal@debian.org>. (Tue, 19 Feb 2019 16:42:09 GMT) (full text, mbox, link).


Message #12 received at 915087@bugs.debian.org (full text, mbox, reply):

From: Moritz Mühlenhoff <jmm@inutil.org>
To: 915087@bugs.debian.org
Subject: Re: nasm: CVE-2018-19755
Date: Tue, 19 Feb 2019 17:39:06 +0100
On Fri, Nov 30, 2018 at 10:08:58AM +0100, Salvatore Bonaccorso wrote:
> Source: nasm
> Version: 2.14-1
> Severity: important
> Tags: patch security upstream
> Forwarded: https://bugzilla.nasm.us/show_bug.cgi?id=3392528
> 
> Hi,
> 
> The following vulnerability was published for nasm.
> 
> CVE-2018-19755[0]:
> | There is an illegal address access at asm/preproc.c (function:
> | is_mmacro) in Netwide Assembler (NASM) 2.14rc16 that will cause a
> | denial of service (out-of-bounds array access) because a certain
> | conversion can result in a negative integer.

This is fixed in https://repo.or.cz/nasm.git/commit/3079f7966dbed4497e36d5067cbfd896a90358cb

Cheers,
        Moritz



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