Incorrect default permissions in firefox-esr (Alpine package)



Published: 2019-12-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-17009
CWE-ID CWE-276
Exploitation vector Local
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) Incorrect default permissions

EUVDB-ID: #VU23373

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-17009

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for status and log files files that are set by the updater service. A local user with access to the system can view contents of files and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox-esr (Alpine package): 68.2.0-r1

External links

http://git.alpinelinux.org/aports/commit/?id=2feef65baad479cb95065e8603b1f82d79a64f7d


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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