Improper Output Neutralization for Logs Affecting rubygem-psych package, versions <0:2.0.0-33.el7_4
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Start learning- Snyk IDSNYK-RHEL7-RUBYGEMPSYCH-1480470
- published26 Jul 2021
- disclosed14 Sept 2017
Introduced: 14 Sep 2017
CVE-2017-10784 (opens in a new tab)How to fix?
Upgrade RHEL:7 rubygem-psych to version 0:2.0.0-33.el7_4 or higher.
This issue was patched in RHSA-2018:0378.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rubygem-psych package and not the rubygem-psych package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name.
References
- http://www.securityfocus.com/bid/100853
- https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released/
- https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released/
- https://www.ruby-lang.org/en/news/2017/09/14/webrick-basic-auth-escape-sequence-injection-cve-2017-10784/
- https://access.redhat.com/security/cve/CVE-2017-10784
- https://www.debian.org/security/2017/dsa-4031
- https://security.gentoo.org/glsa/201710-18
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://access.redhat.com/errata/RHSA-2018:0378
- http://www.securitytracker.com/id/1039363
- http://www.securitytracker.com/id/1042004
- https://usn.ubuntu.com/3528-1/
- https://usn.ubuntu.com/3685-1/