openEuler 20.03 LTS SP1 update for firefox
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-26971 CVE-2021-29946 |
| CWE-ID | CWE-122 CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
openEuler Operating systems & Components / Operating system firefox-debugsource Operating systems & Components / Operating system package or component mozilla-crashreporter-firefox-debuginfo Operating systems & Components / Operating system package or component firefox-debuginfo Operating systems & Components / Operating system package or component firefox Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Heap-based buffer overflow
EUVDB-ID: #VU49013
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2020-26971
CWE-ID:
CWE-122 - Heap-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 within WebGL component. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1
firefox-debugsource: before 79.0-20
mozilla-crashreporter-firefox-debuginfo: before 79.0-20
firefox-debuginfo: before 79.0-20
firefox: before 79.0-20
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:a:openeuler:firefox-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mozilla-crashreporter-firefox-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1574
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) Input validation error
EUVDB-ID: #VU52346
Risk: Low
CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-29946
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient validation of user-supplied input. Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1
firefox-debugsource: before 79.0-20
mozilla-crashreporter-firefox-debuginfo: before 79.0-20
firefox-debuginfo: before 79.0-20
firefox: before 79.0-20
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:a:openeuler:firefox-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mozilla-crashreporter-firefox-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1574
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.
