Vulnerability identifier: #VU48668
Vulnerability risk: High
CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
Archive_Tar
Web applications /
Other software
Vendor: PHP Group
Description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper sanitization of the user-supplied input when processing URI handlers in filenames. A remote attacker can pass the "file://" string in the filename and overwrite arbitrary files on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Archive_Tar: 1.0 - 1.4.10
External links
http://github.com/pear/Archive_Tar/issues/33
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?
Yes. This vulnerability is being exploited in the wild.