CVE-2018-19755
published 2018-11-30CVE-2018-19755: 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…
PriorityP417medium5.5CVSS 3.0
AVLACLPRNUIRSUCNINAH
EPSS
1.00%
59.1th percentile
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.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | nasm | < nasm 2.15.02-1 (bookworm) | nasm 2.15.02-1 (bookworm) |
| nasm | nasm | >= 0 < 2.15.02-1 | 2.15.02-1 |
| nasm | nasm | >= 0 < 2.15.02-1 | 2.15.02-1 |
| nasm | nasm | >= 0 < 2.15.02-1 | 2.15.02-1 |
| nasm | nasm | >= 0 < 2.15.02-1 | 2.15.02-1 |
| nasm | netwide_assembler | — | — |
CVSS provenance
nvdv3.05.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv5.5MEDIUM
vendor_debian5.5LOW
vendor_redhat5.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Red Hat
nasm: out-of-bounds array access in is_mmacro in asm/preproc.c
vendor_redhat·2018-11-12·CVSS 5.5
CVE-2018-19755 [MEDIUM] CWE-125 nasm: out-of-bounds array access in is_mmacro in asm/preproc.c
nasm: out-of-bounds array access in is_mmacro in asm/preproc.c
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.
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
Debian
CVE-2018-19755: nasm - There is an illegal address access at asm/preproc.c (function: is_mmacro) in Net...
vendor_debian·2018·CVSS 5.5
CVE-2018-19755 [MEDIUM] CVE-2018-19755: nasm - There is an illegal address access at asm/preproc.c (function: is_mmacro) in Net...
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.
Scope: local
bookworm: resolved (fixed in 2.15.02-1)
bullseye: resolved (fixed in 2.15.02-1)
forky: resolved (fixed in 2.15.02-1)
sid: resolved (fixed in 2.15.02-1)
trixie: resolved (fixed in 2.15.02-1)
GHSA
GHSA-cvx6-2fc8-p5cg: There is an illegal address access at asm/preproc
ghsa_unreviewed·2022-05-14
CVE-2018-19755 [MEDIUM] CWE-20 GHSA-cvx6-2fc8-p5cg: There is an illegal address access at asm/preproc
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.
OSV
CVE-2018-19755: There is an illegal address access at asm/preproc
osv·2018-11-30·CVSS 5.5
CVE-2018-19755 [MEDIUM] CVE-2018-19755: There is an illegal address access at asm/preproc
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-19755 nasm: out-of-bounds array access in is_mmacro in asm/preproc.c
bugzilla·2018-12-04·CVSS 5.5
CVE-2018-19755 [MEDIUM] CVE-2018-19755 nasm: out-of-bounds array access in is_mmacro in asm/preproc.c
CVE-2018-19755 nasm: out-of-bounds array access in is_mmacro in asm/preproc.c
A flaw was found in Netwide Assembler (NASM) 2.14rc16. There is an illegal address access in is_mmacro function at asm/preproc.c that will cause a denial of service (out-of-bounds array access) because a certain conversion can result in a negative integer.
References:
https://bugzilla.nasm.us/show_bug.cgi?id=3392528
https://repo.or.cz/nasm.git/commit/3079f7966dbed4497e36d5067cbfd896a90358cb
Discussion:
Created nasm tracking bugs for this issue:
Affects: fedora-all [bug 1656211]
---
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 cu
Bugzilla
CVE-2018-19755 nasm: out-of-bounds array access in is_mmacro in asm/preproc.c [fedora-all]
bugzilla·2018-12-04·CVSS 5.5
CVE-2018-19755 [MEDIUM] CVE-2018-19755 nasm: out-of-bounds array access in is_mmacro in asm/preproc.c [fedora-all]
CVE-2018-19755 nasm: out-of-bounds array access in is_mmacro in asm/preproc.c [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple suppo
2018-11-30
Published