CVE-2015-8803
- State
- Published
- Severity
- Not scored
- Published
- Feb 23, 2016
- Updated
- Aug 6, 2024
- Reserved
- Feb 2, 2016
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- openSUSE-SU-2016:0486vendor-advisory
- https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html
- [nettle-bugs] 20151212 secp256 calculation bug (already fixed)mailing-list
- FEDORA-2016-8ee88aee21vendor-advisory
- openSUSE-SU-2016:0477vendor-advisory
- https://git.lysator.liu.se/nettle/nettle/commit/c71d2c9d20eeebb985e3872e4550137209e3ce4d
- USN-2897-1vendor-advisory
- openSUSE-SU-2016:0475vendor-advisory
- [oss-security] 20160202 Miscomputations of elliptic curve scalar multiplications in Nettlemailing-list
- RHSA-2016:2582vendor-advisory
- FEDORA-2016-89968f88d2vendor-advisory
- FEDORA-2016-aa00f0631dvendor-advisory
- [info-gnu] 20160128 ANNOUNCE: Nettle-3.2mailing-list
- [oss-security] 20160202 Re: Miscomputations of elliptic curve scalar multiplications in Nettlemailing-list
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