Bug 1652033 (CVE-2018-19214) - CVE-2018-19214 nasm: heap-based buffer over-read in expand_mmac_params in asm/preproc.c
Summary: CVE-2018-19214 nasm: heap-based buffer over-read in expand_mmac_params in asm...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-19214
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: 1652034 1652947 1652950
Blocks: 1652048
TreeView+ depends on / blocked
 
Reported: 2018-11-21 13:08 UTC by Laura Pardo
Modified: 2021-10-25 22:20 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-10-25 22:20:27 UTC
Embargoed:


Attachments (Terms of Use)

Description Laura Pardo 2018-11-21 13:08:53 UTC
A flaw was found in Netwide Assembler (NASM) 2.14rc15. A heap-based buffer over-read in expand_mmac_params in asm/preproc.c for insufficient input. 


References:
https://bugzilla.nasm.us/show_bug.cgi?id=3392521 

Upstream Patch:
https://repo.or.cz/nasm.git/commit/661f723d39e03ca6eb05d7376a43ca33db478354

Comment 1 Laura Pardo 2018-11-21 13:09:16 UTC
Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1652034]

Comment 2 Stefan Cornelius 2018-11-23 13:54:30 UTC
Reproducer also triggers the issue covered in bug 1478913.

Comment 3 Stefan Cornelius 2018-11-23 13:54:36 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/.


Note You need to log in before you can comment on or make changes to this bug.