openssl-3/openssl-3.1.2.tar.gz.asc

Accepting request 1101930 from home:pmonrealgonzalez:branches:security:tls - Update to 3.1.2: * Fix excessive time spent checking DH q parameter value (bsc#1213853, CVE-2023-3817). The function DH_check() performs various checks on DH parameters. After fixing CVE-2023-3446 it was discovered that a large q parameter value can also trigger an overly long computation during some of these checks. A correct q value, if present, cannot be larger than the modulus p parameter, thus it is unnecessary to perform these checks if q is larger than p. If DH_check() is called with such q parameter value, DH_CHECK_INVALID_Q_VALUE return flag is set and the computationally intensive checks are skipped. * Fix DH_check() excessive time with over sized modulus (bsc#1213487, CVE-2023-3446). 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. A new limit has been added to DH_check of 32,768 bits. Supplying a key/parameters with a modulus over this size will simply cause DH_check() to fail. * Do not ignore empty associated data entries with AES-SIV (bsc#1213383, CVE-2023-2975). The AES-SIV algorithm allows for authentication of multiple associated data entries along with the encryption. To authenticate empty data the application has to call EVP_EncryptUpdate() (or EVP_CipherUpdate()) with NULL pointer as the output buffer and 0 as the input buffer length. The AES-SIV implementation in OpenSSL just returns success for such call OBS-URL: https://build.opensuse.org/request/show/1101930 OBS-URL: https://build.opensuse.org/package/show/security:tls/openssl-3?expand=0&rev=70 2023-08-02 12:04:19 +02:00			`-----BEGIN PGP SIGNATURE-----`

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