Security Features in wget - CVE-2016-4971
Published: June 30, 2016 / Updated: June 17, 2021
Vulnerability identifier: #VU32275
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2016-4971
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: GNU
Affected software:
wget
wget
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
GNU wget before 1.18 allows remote servers to write to arbitrary files by redirecting a request from HTTP to a crafted FTP resource.
How to mitigate CVE-2016-4971
Install update from vendor's website.
Sources
- http://git.savannah.gnu.org/cgit/wget.git/commit/?id=e996e322ffd42aaa051602da182d03178d0f13e1
- http://lists.gnu.org/archive/html/info-gnu/2016-06/msg00004.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00043.html
- http://rhn.redhat.com/errata/RHSA-2016-2587.html
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.securityfocus.com/bid/91530
- http://www.securitytracker.com/id/1036133
- http://www.ubuntu.com/usn/USN-3012-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1343666
- https://security.gentoo.org/glsa/201610-11
- https://security.paloaltonetworks.com/CVE-2016-4971
- https://www.exploit-db.com/exploits/40064/