High severity · published Nov 12, 2018
CVE-2018-19215
Netwide Assembler (NASM) 2.14rc16 has a heap-based buffer over-read in expand_mmac_params in asm/preproc.c for the special cases of the % and $ and ! characters
7.8
CVSS
1.3%
EPSS
No
On KEV
Description
Netwide Assembler (NASM) 2.14rc16 has a heap-based buffer over-read in expand_mmac_params in asm/preproc.c for the special cases of the % and $ and ! characters.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
5.0; 6.0; 7.0 · source: NVD
NA
Netwide Assembler · Nasm
12.14 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-19215
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-19215
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html
Exploit
https://bugzilla.nasm.us/show_bug.cgi?id=3392525
Third Party Advisory
https://repo.or.cz/nasm.git/commit/4b5b737d4991578b1918303dc0fd9c9ab5c7ce4f
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