5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
5.8 Medium
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.5%
Issue Overview:
A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2. (CVE-2023-28756)
Affected Packages:
ruby
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update ruby to update your system.
New Packages:
aarch64:
ruby-2.0.0.648-36.amzn2.0.4.aarch64
ruby-devel-2.0.0.648-36.amzn2.0.4.aarch64
ruby-libs-2.0.0.648-36.amzn2.0.4.aarch64
rubygem-bigdecimal-1.2.0-36.amzn2.0.4.aarch64
rubygem-io-console-0.4.2-36.amzn2.0.4.aarch64
rubygem-json-1.7.7-36.amzn2.0.4.aarch64
rubygem-psych-2.0.0-36.amzn2.0.4.aarch64
ruby-tcltk-2.0.0.648-36.amzn2.0.4.aarch64
ruby-debuginfo-2.0.0.648-36.amzn2.0.4.aarch64
i686:
ruby-2.0.0.648-36.amzn2.0.4.i686
ruby-devel-2.0.0.648-36.amzn2.0.4.i686
ruby-libs-2.0.0.648-36.amzn2.0.4.i686
rubygem-bigdecimal-1.2.0-36.amzn2.0.4.i686
rubygem-io-console-0.4.2-36.amzn2.0.4.i686
rubygem-json-1.7.7-36.amzn2.0.4.i686
rubygem-psych-2.0.0-36.amzn2.0.4.i686
ruby-tcltk-2.0.0.648-36.amzn2.0.4.i686
ruby-debuginfo-2.0.0.648-36.amzn2.0.4.i686
noarch:
rubygems-2.0.14.1-36.amzn2.0.4.noarch
rubygems-devel-2.0.14.1-36.amzn2.0.4.noarch
rubygem-rake-0.9.6-36.amzn2.0.4.noarch
ruby-irb-2.0.0.648-36.amzn2.0.4.noarch
rubygem-rdoc-4.0.0-36.amzn2.0.4.noarch
ruby-doc-2.0.0.648-36.amzn2.0.4.noarch
rubygem-minitest-4.3.2-36.amzn2.0.4.noarch
src:
ruby-2.0.0.648-36.amzn2.0.4.src
x86_64:
ruby-2.0.0.648-36.amzn2.0.4.x86_64
ruby-devel-2.0.0.648-36.amzn2.0.4.x86_64
ruby-libs-2.0.0.648-36.amzn2.0.4.x86_64
rubygem-bigdecimal-1.2.0-36.amzn2.0.4.x86_64
rubygem-io-console-0.4.2-36.amzn2.0.4.x86_64
rubygem-json-1.7.7-36.amzn2.0.4.x86_64
rubygem-psych-2.0.0-36.amzn2.0.4.x86_64
ruby-tcltk-2.0.0.648-36.amzn2.0.4.x86_64
ruby-debuginfo-2.0.0.648-36.amzn2.0.4.x86_64
Red Hat: CVE-2023-28756
Mitre: CVE-2023-28756
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
5.8 Medium
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.5%