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. 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. An application that calls DH_check() and supplies a key or parameters obtained from an untrusted source could be vulnerable 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.
{
"binaries": [
{
"binary_name": "ovmf",
"binary_version": "0~20191122.bd85bf54-2ubuntu3.6"
},
{
"binary_name": "qemu-efi",
"binary_version": "0~20191122.bd85bf54-2ubuntu3.6"
},
{
"binary_name": "qemu-efi-aarch64",
"binary_version": "0~20191122.bd85bf54-2ubuntu3.6"
},
{
"binary_name": "qemu-efi-arm",
"binary_version": "0~20191122.bd85bf54-2ubuntu3.6"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "ovmf",
"binary_version": "2022.02-3ubuntu0.22.04.4"
},
{
"binary_name": "ovmf-ia32",
"binary_version": "2022.02-3ubuntu0.22.04.4"
},
{
"binary_name": "qemu-efi",
"binary_version": "2022.02-3ubuntu0.22.04.4"
},
{
"binary_name": "qemu-efi-aarch64",
"binary_version": "2022.02-3ubuntu0.22.04.4"
},
{
"binary_name": "qemu-efi-arm",
"binary_version": "2022.02-3ubuntu0.22.04.4"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "efi-shell-aa64",
"binary_version": "2024.02-2ubuntu0.6"
},
{
"binary_name": "efi-shell-arm",
"binary_version": "2024.02-2ubuntu0.6"
},
{
"binary_name": "efi-shell-ia32",
"binary_version": "2024.02-2ubuntu0.6"
},
{
"binary_name": "efi-shell-riscv64",
"binary_version": "2024.02-2ubuntu0.6"
},
{
"binary_name": "efi-shell-x64",
"binary_version": "2024.02-2ubuntu0.6"
},
{
"binary_name": "ovmf",
"binary_version": "2024.02-2ubuntu0.6"
},
{
"binary_name": "ovmf-ia32",
"binary_version": "2024.02-2ubuntu0.6"
},
{
"binary_name": "qemu-efi-aarch64",
"binary_version": "2024.02-2ubuntu0.6"
},
{
"binary_name": "qemu-efi-arm",
"binary_version": "2024.02-2ubuntu0.6"
},
{
"binary_name": "qemu-efi-riscv64",
"binary_version": "2024.02-2ubuntu0.6"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libssl1.0.0",
"binary_version": "1.0.2g-1ubuntu4.20+esm10"
},
{
"binary_name": "openssl",
"binary_version": "1.0.2g-1ubuntu4.20+esm10"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libssl1.1",
"binary_version": "1.1.1-1ubuntu2.1~18.04.23+esm3"
},
{
"binary_name": "openssl",
"binary_version": "1.1.1-1ubuntu2.1~18.04.23+esm3"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libssl1.0.0",
"binary_version": "1.0.2n-1ubuntu5.13+esm1"
},
{
"binary_name": "openssl1.0",
"binary_version": "1.0.2n-1ubuntu5.13+esm1"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"binaries": [
{
"binary_name": "ovmf",
"binary_version": "0~20180205.c0d9813c-2ubuntu0.3+esm2"
},
{
"binary_name": "qemu-efi",
"binary_version": "0~20180205.c0d9813c-2ubuntu0.3+esm2"
},
{
"binary_name": "qemu-efi-aarch64",
"binary_version": "0~20180205.c0d9813c-2ubuntu0.3+esm2"
},
{
"binary_name": "qemu-efi-arm",
"binary_version": "0~20180205.c0d9813c-2ubuntu0.3+esm2"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libssl3",
"binary_version": "3.0.2-0ubuntu1.12+Fips1"
},
{
"binary_name": "openssl",
"binary_version": "3.0.2-0ubuntu1.12+Fips1"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libssl1.1",
"binary_version": "1.1.1-1ubuntu2.fips.2.1~18.04.23.3"
},
{
"binary_name": "libssl1.1-hmac",
"binary_version": "1.1.1-1ubuntu2.fips.2.1~18.04.23.3"
},
{
"binary_name": "openssl",
"binary_version": "1.1.1-1ubuntu2.fips.2.1~18.04.23.3"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libssl1.1",
"binary_version": "1.1.1f-1ubuntu2.fips.20"
},
{
"binary_name": "libssl1.1-hmac",
"binary_version": "1.1.1f-1ubuntu2.fips.20"
},
{
"binary_name": "openssl",
"binary_version": "1.1.1f-1ubuntu2.fips.20"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libssl3",
"binary_version": "3.0.2-0ubuntu1.12+Fips1"
},
{
"binary_name": "openssl",
"binary_version": "3.0.2-0ubuntu1.12+Fips1"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libssl1.0.0",
"binary_version": "1.0.2g-1ubuntu4.fips.4.20.10"
},
{
"binary_name": "libssl1.0.0-hmac",
"binary_version": "1.0.2g-1ubuntu4.fips.4.20.10"
},
{
"binary_name": "openssl",
"binary_version": "1.0.2g-1ubuntu4.fips.4.20.10"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"binaries": [
{
"binary_name": "libssl1.0.0",
"binary_version": "1.0.2g-1ubuntu4.fips.4.6.3"
},
{
"binary_name": "libssl1.0.0-hmac",
"binary_version": "1.0.2g-1ubuntu4.fips.4.6.3"
},
{
"binary_name": "openssl",
"binary_version": "1.0.2g-1ubuntu4.fips.4.6.3"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"binaries": [
{
"binary_name": "libssl1.1",
"binary_version": "1.1.1-1ubuntu2.fips.2.1~18.04.15.2"
},
{
"binary_name": "libssl1.1-hmac",
"binary_version": "1.1.1-1ubuntu2.fips.2.1~18.04.15.2"
},
{
"binary_name": "openssl",
"binary_version": "1.1.1-1ubuntu2.fips.2.1~18.04.15.2"
}
],
"priority_reason": "Upstream rates this as having low severity"
}{
"binaries": [
{
"binary_name": "libssl1.1",
"binary_version": "1.1.1f-1ubuntu2.fips.7.1"
},
{
"binary_name": "libssl1.1-hmac",
"binary_version": "1.1.1f-1ubuntu2.fips.7.1"
},
{
"binary_name": "openssl",
"binary_version": "1.1.1f-1ubuntu2.fips.7.1"
}
],
"priority_reason": "Upstream rates this as having low severity"
}