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Test ID:1.3.6.1.4.1.25623.1.1.1.2.2023.3447
Category:Debian Local Security Checks
Title:Debian: Security Advisory (DLA-3447-1)
Summary:The remote host is missing an update for the Debian 'ruby2.5' package(s) announced via the DLA-3447-1 advisory.
Description:Summary:
The remote host is missing an update for the Debian 'ruby2.5' package(s) announced via the DLA-3447-1 advisory.

Vulnerability Insight:
Two regular expression Denial of Service (ReDoS) issues were discovered in Ruby: the first in the URI component, and the second in the Time module. Each of these issues could have resulted in a dramatic increase in execution time given malicious input.

CVE-2023-28755

A ReDoS issue was discovered in the URI component through 0.12.0 in Ruby through 3.2.1. The URI parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to URI objects. The fixed versions are 0.12.1, 0.11.1, 0.10.2 and 0.10.0.1.

CVE-2023-28756

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.

For Debian 10 Buster, these problems have been fixed in version 2.5.5-3+deb10u5.

We recommend that you upgrade your ruby2.5 packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references]

Affected Software/OS:
'ruby2.5' package(s) on Debian 10.

Solution:
Please install the updated package(s).

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2023-28755
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FFZANOQA4RYX7XCB42OO3P24DQKWHEKA/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WMIOPLBAAM3FEQNAXA2L7BDKOGSVUT5Z/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G76GZG3RAGYF4P75YY7J7TGYAU7Z5E2T/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QA6XUKUY7B5OLNQBLHOT43UW7C5NIOQQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27LUWREIFTP3MQAW7QE4PJM4DPAQJWXF/
https://security.gentoo.org/glsa/202401-27
https://github.com/ruby/uri/releases/
https://www.ruby-lang.org/en/downloads/releases/
https://www.ruby-lang.org/en/news/2022/12/25/ruby-3-2-0-released/
https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
Common Vulnerability Exposure (CVE) ID: CVE-2023-28756
https://github.com/ruby/time/releases/
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