Medium severity · published Jan 15, 2019
CVE-2019-6291
An issue was discovered in the function expr6 in eval.c in Netwide Assembler (NASM) through 2.14.02
5.5
CVSS
1.2%
EPSS
No
On KEV
Description
An issue was discovered in the function expr6 in eval.c in Netwide Assembler (NASM) through 2.14.02. There is a stack exhaustion problem caused by the expr6 function making recursive calls to itself in certain scenarios involving lots of '!' or '+' or '-' characters. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted asm file.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Netwide Assembler · Nasm
through 2.14.02 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6291
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6291
Exploit
https://bugzilla.nasm.us/show_bug.cgi?id=3392549
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