Permissions, Privileges, and Access Controls in firefox (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-12391 |
| 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 medium risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU27534
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-12391
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to documents formed using data: URLs in an object element failed to inherit the CSP of the creating context. A remote attacker can execute arbitrary scripts that should have been blocked, albeit with a unique opaque origin.
Install update from vendor's website.
Vulnerable software versionsfirefox (Alpine package): 60.0.1-r0 - 75.0-r2
External linkshttp://git.alpinelinux.org/aports/commit/?id=c9413fd0912a1f1e6cdc9e5fd25d15f4f22cc11a
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.
