Bug 1652041 (CVE-2018-19215) - CVE-2018-19215 nasm: heap-based buffer over-read in do_directive in asm/preproc.c
Summary: CVE-2018-19215 nasm: heap-based buffer over-read in do_directive in asm/prepr...
Keywords:
Status: NEW
Alias: CVE-2018-19215
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1652042 1652948 1652949
Blocks: 1652048
TreeView+ depends on / blocked
 
Reported: 2018-11-21 13:12 UTC by Laura Pardo
Modified: 2019-09-29 15:03 UTC (History)
5 users (show)

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Description Laura Pardo 2018-11-21 13:12:00 UTC
A flaw was found in Netwide Assembler (NASM) 2.14rc16. A heap-based buffer over-read in do_directive in asm/preproc.c for the special cases of the % and $ and ! characters. 


References:
https://bugzilla.nasm.us/show_bug.cgi?id=3392525 

Upstream Patch:
https://repo.or.cz/nasm.git/commit/4b5b737d4991578b1918303dc0fd9c9ab5c7ce4f

Comment 1 Laura Pardo 2018-11-21 13:12:23 UTC
Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1652042]

Comment 3 Stefan Cornelius 2018-11-23 14:15:58 UTC
Statement:

This issue affects the versions of nasm as shipped with Red Hat Enterprise Linux 5, 6, and 7.

Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue 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/.

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/.


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