Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 3 |
CVE-ID | CVE-2018-19755 CVE-2018-19213 CVE-2018-16999 |
CWE-ID | CWE-20 CWE-787 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
Netwide Assembler Universal components / Libraries / Scripting languages |
Vendor | Netwide Assembler |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
EUVDB-ID: #VU36353
Risk: Medium
CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2018-19755
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
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.
MitigationInstall update from vendor's website.
Vulnerable software versionsNetwide Assembler: 12.14
CPE2.3 External linkshttps://bugzilla.nasm.us/show_bug.cgi?id=3392528
https://repo.or.cz/nasm.git/commit/3079f7966dbed4497e36d5067cbfd896a90358cb
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU36432
Risk: Medium
CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2018-19213
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Netwide Assembler (NASM) through 2.14rc16 has memory leaks that may lead to DoS, related to nasm_malloc in nasmlib/malloc.c.
MitigationInstall update from vendor's website.
Vulnerable software versionsNetwide Assembler: 12.14
CPE2.3 External linkshttps://bugzilla.nasm.us/show_bug.cgi?id=3392524
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU36700
Risk: Medium
CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2018-16999
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Netwide Assembler (NASM) 2.14rc15 has an invalid memory write (segmentation fault) in expand_smacro in preproc.c, which allows attackers to cause a denial of service via a crafted input file.
MitigationInstall update from vendor's website.
Vulnerable software versionsNetwide Assembler: 12.14
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html
https://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html
https://bugzilla.nasm.us/show_bug.cgi?id=3392508
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.