SUSE Linux Enterprise Server 15 SP4: 2023:4176-1 Important: Ruby2.5 DoS
suse
October 24, 2023
* bsc#1193035 * bsc#1205726 * bsc#1209891 * bsc#1209967
Summary
## 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) ## 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
Topics Covered
References
* bsc#1193035
* bsc#1205726
* bsc#1209891
* bsc#1209967
Cross-
* CVE-2021-33621
* CVE-2021-41817
* CVE-2023-28755
* CVE-2023-28756
CVSS scores:
* CVE-2021-33621 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
* CVE-2021-33621 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2021-41817 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2021-41817 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-28755 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2023-28755 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2023-28756 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-28756 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products:
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Severity
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Announcement ID: SUSE-SU-2023:4176-1
Rating: important
Topics Covered
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