openEuler 20.03 LTS update for firefox-62.0.3-5
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-6814 CVE-2020-6811 |
| CWE-ID | CWE-119 CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
openEuler Operating systems & Components / Operating system firefox-debugsource 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) Buffer overflow
EUVDB-ID: #VU25859
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-6814
CWE-ID:
CWE-119 - Memory corruption
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 HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption 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
firefox-debugsource: before 62.0.3-5
firefox-debuginfo: before 62.0.3-5
firefox: before 62.0.3-5
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1026
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: #VU25855
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-6811
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary OS commands.
The vulnerability exists due to insufficient validation of user-supplied input copied into buffer via the 'Copy as cURL' feature of Devtools' network tab. A remote attacker can trick the victim into using the 'Copy as cURL' feature to copy malicious data into buffer and later insert them into a terminal window.
Successful exploitation of the vulnerability may result in OS command execution.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS
firefox-debugsource: before 62.0.3-5
firefox-debuginfo: before 62.0.3-5
firefox: before 62.0.3-5
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1026
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.
