{"schema_version":"1.7.2","id":"OESA-2021-1243","modified":"2021-06-26T11:03:00Z","published":"2021-06-26T11:03:00Z","upstream":["CVE-2021-33560"],"summary":"libgcrypt security update","details":"Libgcrypt is a general purpose cryptographic library originally based on code from GnuPG.\r\n\r\nSecurity Fix(es):\r\n\r\nLibgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. (There is also an interoperability problem because the selection of the k integer value does not properly consider the differences between basic ElGamal encryption and generalized ElGamal encryption.) This, for example, affects use of ElGamal in OpenPGP.(CVE-2021-33560)","affected":[{"package":{"ecosystem":"openEuler:20.03-LTS-SP1","name":"libgcrypt","purl":"pkg:rpm/openEuler/libgcrypt\u0026distro=openEuler-20.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-3.oe1"}]}],"ecosystem_specific":{"aarch64":["libgcrypt-devel-1.8.6-3.oe1.aarch64.rpm","libgcrypt-1.8.6-3.oe1.aarch64.rpm","libgcrypt-debuginfo-1.8.6-3.oe1.aarch64.rpm","libgcrypt-debugsource-1.8.6-3.oe1.aarch64.rpm"],"noarch":["libgcrypt-help-1.8.6-3.oe1.noarch.rpm"],"src":["libgcrypt-1.8.6-3.oe1.src.rpm"],"x86_64":["libgcrypt-debuginfo-1.8.6-3.oe1.x86_64.rpm","libgcrypt-debugsource-1.8.6-3.oe1.x86_64.rpm","libgcrypt-1.8.6-3.oe1.x86_64.rpm","libgcrypt-devel-1.8.6-3.oe1.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1243"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33560"}],"database_specific":{"severity":"High"}}