Protection mechanism failure in firefox (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-11763
CWE-ID CWE-693
Exploitation vector Network
Public exploit N/A
Vulnerable software
 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) Protection mechanism failure

EUVDB-ID: #VU22168

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-11763

CWE-ID: CWE-693 - Protection Mechanism Failure

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability exists due to the way Firefox processes HTML entities. A remote attacker can create a specially crafted web page and make the browser treat HTML comment text  as HTML, which could have led to XSS in a web application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox (Alpine package): 68.0.2-r0 - 69.0.3-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=795c32179f1238f33dd64c4fab4a8e94d9017368
https://git.alpinelinux.org/aports/commit/?id=05e5fbf809000e016eee3fdfdaffb6e39a4956fd


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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