Arbitrary file upload in mozjs68 (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-15649
CWE-ID CWE-434
Exploitation vector Network
Public exploit N/A
Vulnerable software
 mozjs68 (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) Arbitrary file upload

EUVDB-ID: #VU45686

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-15649

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

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

Given an installed malicious file picker application, an attacker was able to steal and upload local files of their choosing, regardless of the actually files picked. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.11.

Mitigation

Install update from vendor's website.

Vulnerable software versions

mozjs68 (Alpine package): 68.10.0-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=4cd4a0dd2e6c9e8d082dca8588312badce9f16ba
https://git.alpinelinux.org/aports/commit/?id=04f8e005916c290085fcf9cff34c5ed43c7b570e
https://git.alpinelinux.org/aports/commit/?id=4078c037d203ec86019f68e2ec6e03b7b6a7fcf4


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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