Security update for openssl SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2023:3160-1 Final 1 1 2023-08-02T10:37:36Z current 2023-08-02T10:37:36Z 2023-08-02T10:37:36Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for openssl This update for openssl fixes the following issues: - CVE-2023-3446: Fixed DH_check() excessive time with over sized modulus (bsc#1213487). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2023-3160,SUSE-SLE-SERVER-12-SP2-BCL-2023-3160 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2023/suse-su-20233160-1/ Link for SUSE-SU-2023:3160-1 https://lists.suse.com/pipermail/sle-updates/2023-August/030752.html E-Mail link for SUSE-SU-2023:3160-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1213487 SUSE Bug 1213487 https://www.suse.com/security/cve/CVE-2023-3446/ SUSE CVE CVE-2023-3446 page SUSE Linux Enterprise Server 12 SP2-BCL libopenssl-devel-1.0.2j-60.101.1 libopenssl-devel-32bit-1.0.2j-60.101.1 libopenssl-devel-64bit-1.0.2j-60.101.1 libopenssl1_0_0-1.0.2j-60.101.1 libopenssl1_0_0-32bit-1.0.2j-60.101.1 libopenssl1_0_0-64bit-1.0.2j-60.101.1 libopenssl1_0_0-hmac-1.0.2j-60.101.1 libopenssl1_0_0-hmac-32bit-1.0.2j-60.101.1 libopenssl1_0_0-hmac-64bit-1.0.2j-60.101.1 openssl-1.0.2j-60.101.1 openssl-cavs-1.0.2j-60.101.1 openssl-doc-1.0.2j-60.101.1 libopenssl-devel-1.0.2j-60.101.1 as a component of SUSE Linux Enterprise Server 12 SP2-BCL libopenssl1_0_0-1.0.2j-60.101.1 as a component of SUSE Linux Enterprise Server 12 SP2-BCL libopenssl1_0_0-32bit-1.0.2j-60.101.1 as a component of SUSE Linux Enterprise Server 12 SP2-BCL libopenssl1_0_0-hmac-1.0.2j-60.101.1 as a component of SUSE Linux Enterprise Server 12 SP2-BCL libopenssl1_0_0-hmac-32bit-1.0.2j-60.101.1 as a component of SUSE Linux Enterprise Server 12 SP2-BCL openssl-1.0.2j-60.101.1 as a component of SUSE Linux Enterprise Server 12 SP2-BCL openssl-doc-1.0.2j-60.101.1 as a component of SUSE Linux Enterprise Server 12 SP2-BCL Issue summary: Checking excessively long DH keys or parameters may be very slow. Impact summary: Applications that use the functions DH_check(), DH_check_ex() or EVP_PKEY_param_check() to check a DH key or DH parameters may experience long delays. Where the key or parameters that are being checked have been obtained from an untrusted source this may lead to a Denial of Service. The function DH_check() performs various checks on DH parameters. One of those checks confirms that the modulus ('p' parameter) is not too large. Trying to use a very large modulus is slow and OpenSSL will not normally use a modulus which is over 10,000 bits in length. However the DH_check() function checks numerous aspects of the key or parameters that have been supplied. Some of those checks use the supplied modulus value even if it has already been found to be too large. An application that calls DH_check() and supplies a key or parameters obtained from an untrusted source could be vulernable to a Denial of Service attack. The function DH_check() is itself called by a number of other OpenSSL functions. An application calling any of those other functions may similarly be affected. The other functions affected by this are DH_check_ex() and EVP_PKEY_param_check(). Also vulnerable are the OpenSSL dhparam and pkeyparam command line applications when using the '-check' option. The OpenSSL SSL/TLS implementation is not affected by this issue. The OpenSSL 3.0 and 3.1 FIPS providers are not affected by this issue. CVE-2023-3446 SUSE Linux Enterprise Server 12 SP2-BCL:libopenssl-devel-1.0.2j-60.101.1 SUSE Linux Enterprise Server 12 SP2-BCL:libopenssl1_0_0-1.0.2j-60.101.1 SUSE Linux Enterprise Server 12 SP2-BCL:libopenssl1_0_0-32bit-1.0.2j-60.101.1 SUSE Linux Enterprise Server 12 SP2-BCL:libopenssl1_0_0-hmac-1.0.2j-60.101.1 SUSE Linux Enterprise Server 12 SP2-BCL:libopenssl1_0_0-hmac-32bit-1.0.2j-60.101.1 SUSE Linux Enterprise Server 12 SP2-BCL:openssl-1.0.2j-60.101.1 SUSE Linux Enterprise Server 12 SP2-BCL:openssl-doc-1.0.2j-60.101.1 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2023/suse-su-20233160-1/ https://www.suse.com/security/cve/CVE-2023-3446.html CVE-2023-3446 https://bugzilla.suse.com/1213487 SUSE Bug 1213487 https://bugzilla.suse.com/1213853 SUSE Bug 1213853