Medium severity · published Dec 21, 2017
CVE-2017-17820
In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in pp_list_one_macro in asm/preproc.c that will lead to a remote denial of service attack, related to mishandling of…
5.5
CVSS
1.4%
EPSS
No
On KEV
Description
In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in pp_list_one_macro in asm/preproc.c that will lead to a remote denial of service attack, related to mishandling of operand-type errors.
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)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Netwide Assembler · Nasm
2.14 · source: NVD
UL
Ubuntu Linux · Canonical
14.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-17820
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-17820
Exploit
https://bugzilla.nasm.us/show_bug.cgi?id=3392433
Third Party Advisory
https://usn.ubuntu.com/3694-1/
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