Resource management error in firefox-esr (Alpine package)



Published: 2020-07-28
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-15654
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
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firefox-esr (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) Resource management error

EUVDB-ID: #VU32906

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-15654

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass certain security restrictions.

When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox-esr (Alpine package): 78.0.2-r1

External links

http://git.alpinelinux.org/aports/commit/?id=ecfc67fc0aa1c8be66b005da45f868c730633a4e
http://git.alpinelinux.org/aports/commit/?id=78431c6461742f7904f5cd815bbed5f76852a8aa
http://git.alpinelinux.org/aports/commit/?id=d28edc9bebe787d7cff81e5dc7200f5b78fd3797


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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