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SUSE: 2022:3793-1 Critical: Netty Memory Allocation And Disclosure

An update that fixes four vulnerabilities is now available. . SUSE Security Update: Security update for netty ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:3793-1 Rating: important References: #1168932 #1182103 #1190610 #1190613 Cross-References: CVE-2020-11612 CVE-2021-21290 CVE-2021-37136 CVE-2021-37137 CVSS scores: CVE-2020-11612 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-11612 (SUSE): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2021-21290 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2021-21290 (SUSE): 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N CVE-2021-37136 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2021-37136 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2021-37137 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2021-37137 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affected Products: SUSE Linux Enterprise Module for SUSE Manager Server 4.1 SUSE Manager Server 4.1 ______________________________________________________________________________ An update that fixes four vulnerabilities is now available. Description: This update for netty fixes the following issues: - CVE-2020-11612: The ZlibDecoders allow for unbounded memory allocation while decoding a byte stream (bsc#1168932) - CVE-2021-21290: Information disclosure via the local system temporary directory (bsc#1182103) - CVE-2021-37136: Bzip2Decoder doesn't allow setting size restrictions for decompressed data (bsc#1190610) - CVE-2021-37137: Snappy frame decoder doesn't restrict the chunk length and may buffer skippable chunks (bsc#1190613) Patch Instructions: To install this SUSESecurity Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Module for SUSE Manager Server 4.1: zypper in -t patch SUSE-SLE-Module-SUSE-Manager-Server-4.1-2022-3793=1 Package List: - SUSE Linux Enterprise Module for SUSE Manager Server 4.1 (noarch): netty-4.1.44.Final-150200.3.4.2 References: https://www.suse.com/security/cve/CVE-2020-11612.html https://www.suse.com/security/cve/CVE-2021-21290.html https://www.suse.com/security/cve/CVE-2021-37136.html https://www.suse.com/security/cve/CVE-2021-37137.html https://bugzilla.suse.com/1168932 https://bugzilla.suse.com/1182103 https://bugzilla.suse.com/1190610 https://bugzilla.suse.com/1190613 . SUSE has released a security update addressing four severe vulnerabilities in netty, which involve memory misuse and data leakage.. SUSE Linux, netty security patch, memory management, information exposure. . Severity: Important. LinuxSecurity.com Team

Oct 27, 2022 •Important SuSE