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CVE-2017-0903

Status Candidate

Overview

RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.

Related Files

Ubuntu Security Notice USN-3685-2
Posted Mar 26, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3685-2 - USN-3685-1 fixed a vulnerability in Ruby. The fix for CVE-2017-0903 introduced a regression in Ruby. This update fixes the problem.

tags | advisory, ruby
systems | linux, ubuntu
advisories | CVE-2017-0898, CVE-2017-0901, CVE-2017-0902, CVE-2017-0903, CVE-2017-10784, CVE-2017-14064, CVE-2017-17742, CVE-2018-1000074, CVE-2018-8777
SHA-256 | e7a582a1d121ff1533a65726ffe5c500c137492e966e1ec7c0aec8d1c81203b7
Ubuntu Security Notice USN-3685-1
Posted Jun 14, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3685-1 - Some of these CVEs were already addressed in previous USN: 3439-1, 3553-1, 3528-1. It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a buffer overrun. It was discovered that Ruby incorrectly handled certain files. An attacker could use this to overwrite any file on the filesystem. Various other issues were also addressed.

tags | advisory, overflow, ruby
systems | linux, ubuntu
advisories | CVE-2017-0898, CVE-2017-0901, CVE-2017-0902, CVE-2017-0903, CVE-2017-10784, CVE-2017-14064, CVE-2017-17742, CVE-2018-1000074, CVE-2018-8777
SHA-256 | 60f255fcb7dd889a143694b47735ea1ee2e3231d8c3486947620ea6096bc226b
Red Hat Security Advisory 2018-0585-01
Posted Mar 27, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0585-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: rh-ruby23-ruby, rh-ruby23-rubygems, rh-ruby23-rubygem-json, rh-ruby23-rubygem-minitest, rh-ruby23-rubygem-psych. Issues addressed include a code execution vulnerability.

tags | advisory, code execution, ruby
systems | linux, redhat
advisories | CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901, CVE-2017-0902, CVE-2017-0903, CVE-2017-10784, CVE-2017-14033, CVE-2017-14064, CVE-2017-17405, CVE-2017-17790
SHA-256 | 32edc7a8e98876134eade824682c38c4747c8ccb99d1f61ad5768f31b8e2a899
Red Hat Security Advisory 2018-0583-01
Posted Mar 27, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0583-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: rh-ruby22-ruby, rh-ruby22-rubygems, rh-ruby22-rubygem-psych, rh-ruby22-rubygem-json. Issues addressed include a code execution vulnerability.

tags | advisory, code execution, ruby
systems | linux, redhat
advisories | CVE-2009-5147, CVE-2015-7551, CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901, CVE-2017-0902, CVE-2017-0903, CVE-2017-10784, CVE-2017-14033, CVE-2017-14064, CVE-2017-17405, CVE-2017-17790
SHA-256 | d58b91f41c3af49c25194b7dd7e8e121612b8c39301ad79038c25380fc087b1d
Red Hat Security Advisory 2018-0378-01
Posted Feb 28, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0378-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fix: It was discovered that the Net::FTP module did not properly process filenames in combination with certain operations. A remote attacker could exploit this flaw to execute arbitrary commands by setting up a malicious FTP server and tricking a user or Ruby application into downloading files with specially crafted names using the Net::FTP module.

tags | advisory, remote, arbitrary, ruby
systems | linux, redhat
advisories | CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901, CVE-2017-0902, CVE-2017-0903, CVE-2017-10784, CVE-2017-14033, CVE-2017-14064, CVE-2017-17405, CVE-2017-17790
SHA-256 | 92370c4cfd0e580acedb86986981a012e6cb7e8f4c171eee4cd8f3ce7f67abe4
Ubuntu Security Notice USN-3553-1
Posted Jan 31, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3553-1 - It was discovered that Ruby failed to validate specification names. An attacker could possibly use a maliciously crafted gem to potentially overwrite any file on the filesystem. It was discovered that Ruby was vulnerable to a DNS hijacking vulnerability. An attacker could use this to possibly force the RubyGems client to download and install gems from a server that the attacker controls. Various other issues were also addressed.

tags | advisory, ruby
systems | linux, ubuntu
advisories | CVE-2017-0901, CVE-2017-0902, CVE-2017-0903
SHA-256 | 5d7b3fe0f4c71c7da1067a7580faf6ed442b66169a1f2a91718bc27f05851223
Red Hat Security Advisory 2017-3485-01
Posted Dec 19, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-3485-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: rh-ruby24-ruby. Security Fix: A buffer underflow was found in ruby's sprintf function. An attacker, with ability to control its format string parameter, could send a specially crafted string that would disclose heap memory or crash the interpreter.

tags | advisory, ruby
systems | linux, redhat
advisories | CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901, CVE-2017-0902, CVE-2017-0903, CVE-2017-10784, CVE-2017-14064
SHA-256 | b19febc2e65ff51a5e7e50e13c140bf754767a3fbfaae851f26d0fc137086b0b
Debian Security Advisory 4031-1
Posted Nov 14, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4031-1 - Several vulnerabilities have been discovered in the interpreter for the Ruby language.

tags | advisory, vulnerability, ruby
systems | linux, debian
advisories | CVE-2017-0898, CVE-2017-0903, CVE-2017-10784, CVE-2017-14033
SHA-256 | 159d8516272de2855d862fe78cb2d2324f34830b411d45ba56db38fab7edc242
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