Bug 1677636 (CVE-2019-8343)

Summary: CVE-2019-8343 nasm: use-after-free in paste_tokens in asm/preproc.c
Product: [Other] Security Response Reporter: Dhananjay Arunesh <darunesh>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dmoppert, dominik, igor.raits, java-sig-commits, mizdebsk, nickc, pdwyer, scorneli, security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2021-10-27 03:24:50 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Embargoed:
Bug Depends On: 1677637, 1700346, 1700347    
Bug Blocks: 1677638    

Description Dhananjay Arunesh 2019-02-15 12:53:24 UTC 
In Netwide Assembler (NASM) 2.14.02, there is a use-after-free in paste_tokens in asm/preproc.c.

Reference:
https://bugzilla.nasm.us/show_bug.cgi?id=3392556
Comment 1 Dhananjay Arunesh 2019-02-15 12:53:41 UTC 
Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1677637]
Comment 6 Stefan Cornelius 2019-04-16 11:05:59 UTC 
Statement:

This issue affects the versions of nasm as shipped with Red Hat Enterprise Linux 6 and 7.

Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

This issue did not affect the versions of nasm as shipped with Red Hat Enterprise Linux 5.