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CVE-2023-36660

nettle: Memory corruption in OCB handling

The OCB feature in libnettle in Nettle 3.9 before 3.9.1 allows memory corruption.

CVSS 3.1 · 9.8 Critical EPSS 1.0% KEV · Not listed
Vendors
Nettle Project
Products
Nettle
CVE-2021-20305

nettle: Out of bounds memory access in signature verification

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions (GOST DSA, EDDSA & ECDSA) result in the Elliptic Curve Cryptography point (ECC) multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to force an invalid signature, causing an assertion failure or possible validation. The highest threat to this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS 3.1 · 8.1 High EPSS 1.7% KEV · Not listed
Vendors
Debian Fedoraproject Netapp and 2 more
Products
Debian Linux Fedora Active Iq Unified Manager and 7 more
CVE-2021-3580

nettle: Remote crash in RSA decryption via manipulated ciphertext

A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service.

CVSS 3.1 · 7.5 High EPSS 2.7% KEV · Not listed
Vendors
Debian Netapp Nettle Project and 1 more
Products
Debian Linux Ontap Select Deploy Administration Utility Nettle and 1 more
CVE-2015-8803

nettle: secp256 calculation bug

The ecc_256_modp function in ecc-256.c in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output in its implementation of the P-256 NIST elliptic curve, which allows attackers to have unspecified impact via unknown vectors, a different vulnerability than CVE-2015-8805.

CVSS 3.0 · 9.8 Critical EPSS 4.2% KEV · Not listed
Vendors
Canonical Nettle Project Opensuse and 1 more
Products
Ubuntu Linux Nettle Leap and 2 more
CVE-2015-8804

nettle: miscalculations on secp384 curve

x86_64/ecc-384-modp.asm in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output in its implementation of the P-384 NIST elliptic curve, which allows attackers to have unspecified impact via unknown vectors.

CVSS 3.0 · 9.8 Critical EPSS 4.0% KEV · Not listed
Vendors
Canonical Nettle Project Opensuse and 1 more
Products
Ubuntu Linux Nettle Leap and 2 more
CVE-2015-8805

nettle: secp256 calculation bug

The ecc_256_modq function in ecc-256.c in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output in its implementation of the P-256 NIST elliptic curve, which allows attackers to have unspecified impact via unknown vectors, a different vulnerability than CVE-2015-8803.

CVSS 3.0 · 9.8 Critical EPSS 2.8% KEV · Not listed
Vendors
Canonical Nettle Project Opensuse and 1 more
Products
Ubuntu Linux Nettle Leap and 2 more
CVE-2018-16869

nettle: Leaky data conversion exposing a manager oracle

A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process, could use this flaw extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

CVSS 3.1 · 5.7 Medium EPSS 1.5% KEV · Not listed
Vendors
Nettle Project
Products
Nettle