Permissions, Privileges, and Access Controls in firefox-esr (Alpine package)



Published: 2020-12-15
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-26978
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		firefox-esr (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: #VU49020

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-26978

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to application does not properly impose security restrictions. A remote attacker can create a specially crafted webpage and send probes to hosts in internal network as well as to services on the user's local machine.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox-esr (Alpine package): 78.5.0-r0

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=46df21240e124c7207735b2b72b12c9b0b04ae3a


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.



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