Security Features in wget - CVE-2016-4971

 

Security Features in wget - CVE-2016-4971

Published: June 30, 2016 / Updated: June 17, 2021


Vulnerability identifier: #VU32275
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2016-4971
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

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.


Affected software

wget
Gentoo Linux
Amazon Linux AMI
Red Hat Enterprise Linux Server for ARM
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - Extended Update Support
Slackware Linux
Fedora
wget (Alpine package)
wget (Red Hat package)
wget
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data

How to mitigate CVE-2016-4971

Install update from vendor's website.

wget - update to 1.18
wget (Alpine package) - addressed in versions 1.17.1-r1, 1.18-r0
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data - update to 4.0.8
wget (Red Hat package) - update to 1.14-13.el7
wget - addressed in versions 1.18-1.fc22, 1.18-1.fc23, 1.18-1.fc24

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins