openEuler update for nasm
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2019-20352 CVE-2020-24241 |
| CWE-ID | CWE-125 CWE-416 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
openEuler Operating systems & Components / Operating system nasm-help Operating systems & Components / Operating system package or component nasm-debugsource Operating systems & Components / Operating system package or component nasm-debuginfo Operating systems & Components / Operating system package or component nasm Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds read
EUVDB-ID: #VU34909
Risk: High
CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2019-20352
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.
In Netwide Assembler (NASM) 2.15rc0, a heap-based buffer over-read occurs (via a crafted .asm file) in set_text_free when called from expand_one_smacro in asm/preproc.c.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS - 20.03 LTS SP1
nasm-help: before 2.15.03-2
nasm-debugsource: before 2.15.03-2
nasm-debuginfo: before 2.15.03-2
nasm: before 2.15.03-2
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:a:openeuler:nasm-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nasm-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nasm-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nasm:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1022
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.
2) Use-after-free
EUVDB-ID: #VU46304
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-2020-24241
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In Netwide Assembler (NASM) 2.15rc10, there is heap use-after-free in saa_wbytes in nasmlib/saa.c.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS - 20.03 LTS SP1
nasm-help: before 2.15.03-2
nasm-debugsource: before 2.15.03-2
nasm-debuginfo: before 2.15.03-2
nasm: before 2.15.03-2
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:a:openeuler:nasm-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nasm-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nasm-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nasm:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1022
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.
