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CVE-2015-8805

Published: Feb 23, 2016

Modified: Aug 6, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

openSUSE-SU-2016:0486

vendor-advisory

x_refsource_SUSE

https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html

x_refsource_MISC

openSUSE-SU-2016:0477

vendor-advisory

x_refsource_SUSE

https://git.lysator.liu.se/nettle/nettle/commit/c71d2c9d20eeebb985e3872e4550137209e3ce4d

x_refsource_CONFIRM

vendor-advisory

x_refsource_UBUNTU

openSUSE-SU-2016:0475

vendor-advisory

x_refsource_SUSE

[oss-security] 20160202 Miscomputations of elliptic curve scalar multiplications in Nettle

mailing-list

x_refsource_MLIST

vendor-advisory

x_refsource_REDHAT

vdb-entry

x_refsource_BID

[oss-security] 20160202 Re: Miscomputations of elliptic curve scalar multiplications in Nettle

mailing-list

x_refsource_MLIST

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