Bug 1652027 (CVE-2018-19209)

Summary: CVE-2018-19209 nasm: NULL pointer dereference in find_label in asm/labels.c
Product: [Other] Security Response Reporter: Laura Pardo <lpardo>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dominik, java-sig-commits, mizdebsk, nickc
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: nasm 2.14rc16 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-11-23 13:15:19 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1652028    
Bug Blocks: 1652048    

Description Laura Pardo 2018-11-21 13:00:42 UTC
A flaw was found in Netwide Assembler (NASM) 2.14rc15. A NULL pointer dereference in the function find_label in asm/labels.c that will lead to a DoS attack. 


References:
https://bugzilla.nasm.us/show_bug.cgi?id=3392522

Comment 1 Laura Pardo 2018-11-21 13:01:14 UTC
Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1652028]

Comment 2 Stefan Cornelius 2018-11-23 13:15:27 UTC
Statement:

This issue did not affect the versions of nasm as shipped with Red Hat Enterprise Linux 5, 6, and 7.