Permissions, Privileges, and Access Controls in firefox (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-6813 |
| CWE-ID | CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
firefox (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU25858
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-6813
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass certain security restrictions.
When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy.
MitigationInstall update from vendor's website.
Vulnerable software versionsfirefox (Alpine package): 73.0.1-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=1d258f723c31c630b8159e94a980ef430a9ea27b
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.
