Session hijacking in RubyGems - CVE-2017-0902

 

Session hijacking in RubyGems - CVE-2017-0902

Published: August 31, 2017


Vulnerability identifier: #VU8058
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-0902
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to hijack the target user's session.

The weakness exists due to improper access control. A remote attacker can hijack DNS sessions.

Affected software

RubyGems
Debian Linux
Gentoo Linux
Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power
Slackware Linux
Ubuntu
Fedora
ruby (Alpine package)
prayer (Alpine package)
libruby2.0 (Ubuntu package)
ruby2.0 (Ubuntu package)
rh-ruby22-ruby (Red Hat package)
ruby
rh-ruby23-ruby (Red Hat package)
rubygems
EMC Integrated Data Protection Appliance
EasyApache
Dell EMC Data Protection Search

How to mitigate CVE-2017-0902

Update to version 2.6.13.

EMC Integrated Data Protection Appliance - update to 2.7.1
ruby (Alpine package) - addressed in versions 2.2.8-r0, 2.7.2-r0
Dell EMC Data Protection Search - update to 19.6.0
libruby2.0 (Ubuntu package) - update to 2.0.0.484-1ubuntu2.13+esm1
ruby2.0 (Ubuntu package) - update to 2.0.0.484-1ubuntu2.13+esm1
rh-ruby22-ruby (Red Hat package) - addressed in versions 2.2.9-19.el6, 2.2.9-19.el7
ruby - update to 2.3.4-64.fc25
rh-ruby23-ruby (Red Hat package) - addressed in versions 2.3.6-67.el6, 2.3.6-67.el7
rubygems - addressed in versions 2.6.13-100.fc26, 2.6.13-100.fc27

External References

Related Security Bulletins