Multiple vulnerabilities in Netwide Assembler
| Risk | Medium |
| Patch available | NO |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2018-8882 CVE-2018-8883 |
| CWE-ID | CWE-121 CWE-125 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Netwide Assembler Universal components / Libraries / Scripting languages |
| Vendor | Netwide Assembler |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Stack-based buffer overflow
EUVDB-ID: #VU37380
Risk: Medium
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2018-8882
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing a large shift value. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsNetwide Assembler: 2.13.02
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=3392445
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Out-of-bounds read
EUVDB-ID: #VU37381
Risk: Medium
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2018-8883
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to buffer over-read in the parse_line function in asm/parser.c via uncontrolled access to nasm_reg_flags. A remote attacker can perform a denial of service attack.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsNetwide Assembler: 2.13.02
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=3392447
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
