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Critical Security Advisory for Ruby2.5: Regex Denial of Service in openSUSE

opensuse
Calendar Grey October 24, 2023
Dist Opensuse Esm H88
SUSE issued a crucial security patch for ruby2.5 addressing ReDoS vulnerabilities along with various other problems spanning multiple distributions.
This update for ruby2.5 fixes the following issues: CVE-2023-28755: Fixed a ReDoS vulnerability in URI

Description

This update for ruby2.5 fixes the following issues:

* CVE-2023-28755: Fixed a ReDoS vulnerability in URI. (bsc#1209891)

* CVE-2023-28756: Fixed an expensive regexp in the RFC2822 time parser.

(bsc#1209967)

* CVE-2021-41817: Fixed a Regular Expression Denial of Service Vulnerability

of Date Parsing Methods. (bsc#1193035)

* CVE-2021-33621: Fixed a HTTP response splitting vulnerability in CGI gem.

(bsc#1205726)

Topics%20covered

Topics Covered

security advisory update important ruby2.5 ReDoS reusability regexp

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* openSUSE Leap 15.4

zypper in -t patch openSUSE-SLE-15.4-2023-4176=1

* openSUSE Leap 15.5

zypper in -t patch openSUSE-SLE-15.5-2023-4176=1

* Basesystem Module 15-SP4

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-4176=1

* Basesystem Module 15-SP5

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4176=1

* SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1

zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2023-4176=1

* SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2

zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2023-4176=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP3

zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-ESPOS-2023-4176=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3

zypper in -t patch...

Read the Full Advisory

Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)

* ruby2.5-devel-extra-2.5.9-150000.4.29.1

* ruby2.5-devel-2.5.9-150000.4.29.1

* libruby2_5-2_5-2.5.9-150000.4.29.1

* ruby2.5-stdlib-2.5.9-150000.4.29.1

* ruby2.5-doc-2.5.9-150000.4.29.1

* ruby2.5-debuginfo-2.5.9-150000.4.29.1

* ruby2.5-debugsource-2.5.9-150000.4.29.1

* ruby2.5-stdlib-debuginfo-2.5.9-150000.4.29.1

* ruby2.5-2.5.9-150000.4.29.1

* libruby2_5-2_5-debuginfo-2.5.9-150000.4.29.1

* openSUSE Leap 15.4 (noarch)

* ruby2.5-doc-ri-2.5.9-150000.4.29.1

* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64)

* ruby2.5-devel-extra-2.5.9-150000.4.29.1

* ruby2.5-devel-2.5.9-150000.4.29.1

* libruby2_5-2_5-2.5.9-150000.4.29.1

* ruby2.5-stdlib-2.5.9-150000.4.29.1

* ruby2.5-doc-2.5.9-150000.4.29.1

* ruby2.5-debuginfo-2.5.9-150000.4.29.1

* ruby2.5-debugsource-2.5.9-150000.4.29.1

* ruby2.5-stdlib-debuginfo-2.5.9-150000.4.29.1

* ruby2.5-2.5.9-150000.4.29.1

* libruby2_5-2_5-debuginfo-2.5.9-150000.4.29.1

* openSUSE Leap 15.5 (noarch)

* ruby2.5-doc-ri-2.5.9-150000.4.29.1

*...

Read the Full Advisory

References

* bsc#1193035

* bsc#1205726

* bsc#1209891

* bsc#1209967

## References:

* https://www.suse.com/security/cve/CVE-2021-33621.html

* https://www.suse.com/security/cve/CVE-2021-41817.html

* https://www.suse.com/security/cve/CVE-2023-28755.html

* https://www.suse.com/security/cve/CVE-2023-28756.html

* https://bugzilla.suse.com/show_bug.cgi?id=1193035

* https://bugzilla.suse.com/show_bug.cgi?id=1205726

* https://bugzilla.suse.com/show_bug.cgi?id=1209891

* https://bugzilla.suse.com/show_bug.cgi?id=1209967

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4176-1
Rating: important

Topics%20covered

Topics Covered

security advisory update important ruby2.5 ReDoS reusability regexp

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