Incorrect default permissions in php7 (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-7063 |
| CWE-ID | CWE-276 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
php7 (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: #VU25592
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-2020-7063
CWE-ID:
CWE-276 - Incorrect Default Permissions
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to incorrect default permissions for files and folders that are set during the Phar::buildFromIterator() call when adding files into tar archive. A local user can extract files from tar archive and gain access to otherwise restricted information.
MitigationInstall update from vendor's website.
Vulnerable software versionsphp7 (Alpine package): 7.2.5-r0 - 7.2.27-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=88b6599af086a66070987236b518ccb5d5247aae
http://git.alpinelinux.org/aports/commit/?id=9537881a1d26ea3b5f6ab04ca3065f14e2aef192
http://git.alpinelinux.org/aports/commit/?id=3d3e3c93ca209e263118a19505858c5c99dff6c8
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.
