openSUSE-SU-2021:0476-1: important: Security update for openssl-1_1

openSUSE Security Update: Security update for openssl-1_1 ______________________________________________________________________________ Announcement ID: openSUSE-SU-2021:0476-1 Rating: important References: #1183852 Cross-References: CVE-2021-3449 CVSS scores: CVE-2021-3449 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affected Products: openSUSE Leap 15.2 ______________________________________________________________________________ An update that fixes one vulnerability is now available. Description: This update for openssl-1_1 fixes the security issue: * CVE-2021-3449: An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension but includes a signature_algorithms_cert extension, then a NULL pointer dereference will result, leading to a crash and a denial of service attack. OpenSSL TLS clients are not impacted by this issue. [bsc#1183852] This update was imported from the SUSE:SLE-15-SP2:Update update project. Patch Instructions: To install this openSUSE Security 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 15.2: zypper in -t patch openSUSE-2021-476=1 Package List: - openSUSE Leap 15.2 (i586 x86_64): libopenssl-1_1-devel-1.1.1d-lp152.7.15.1 libopenssl1_1-1.1.1d-lp152.7.15.1 libopenssl1_1-debuginfo-1.1.1d-lp152.7.15.1 libopenssl1_1-hmac-1.1.1d-lp152.7.15.1 openssl-1_1-1.1.1d-lp152.7.15.1 openssl-1_1-debuginfo-1.1.1d-lp152.7.15.1 openssl-1_1-debugsource-1.1.1d-lp152.7.15.1 - openSUSE Leap 15.2 (noarch): openssl-1_1-doc-1.1.1d-lp152.7.15.1 - openSUSE Leap 15.2 (x86_64): libopenssl-1_1-devel-32bit-1.1.1d-lp152.7.15.1 libopenssl1_1-32bit-1.1.1d-lp152.7.15.1 libopenssl1_1-32bit-debuginfo-1.1.1d-lp152.7.15.1 libopenssl1_1-hmac-32bit-1.1.1d-lp152.7.15.1 References: https://www.suse.com/security/cve/CVE-2021-3449.html https://bugzilla.suse.com/1183852

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