Memory corruption in firefox-esr (Alpine package)



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-9794
CWE-ID CWE-78
Exploitation vector Network
Public exploit N/A
Vulnerable software
 firefox-esr (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Memory corruption

EUVDB-ID: #VU18033

Risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-9794

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to improper validation of command line arguments within the URI handler when opening documents with Firefox. A remote attacker can trick the victim to open a file with a specially crafted filename and execute arbitrary commands on the system.

Note, this vulnerability can be exploited against Firefox installations on Windows operating system only.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox-esr (Alpine package): 60.4.0-r0 - 60.5.2-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=5f4478599688e562154c7fc319b29c46f79083bf
https://git.alpinelinux.org/aports/commit/?id=985780d336a595bbba269e8d1c32715d70dbee68


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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