CVE-2015-8803
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductNettle
PublishedFeb 23, 2016
First seenFeb 23, 2016
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nettle_project nettle | v ≤ 3.1.1 | — |
| canonical ubuntu_linux | 14.04, 15.10 | — |
| opensuse leap | 42.1 | — |
| opensuse opensuse | 13.1, 13.2 | — |
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