PT-2015-3199 · Gnu+5 · Nettle+5
Niels Möller
·
Publicado
2015-12-31
·
Atualizado
2018-10-30
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CVE-2015-8805
CVSS v3.1
9.8
Crítica
| Vetor | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Nettle versions prior to 3.2
Description
The issue is related to errors in the encryption algorithm of the ecc 256 modq function in the Nettle cryptographic library. This can allow a remote attacker to impact the integrity, availability, and confidentiality of information. The ecc 256 modq function does not properly handle carry propagation and produces incorrect output in its implementation of the P-256 NIST elliptic curve.
Recommendations
For versions prior to 3.2, update to version 3.2 or later to resolve the issue. As a temporary workaround, consider restricting the use of the ecc 256 modq function until a patch is available.
Correção
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Alt Linux
Centos
Nettle
Red Hat
Suse
Ubuntu