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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00100.html ↗
- https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html ↗
- https://lists.lysator.liu.se/pipermail/nettle-bugs/2015/003028.html ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177473.html ↗
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00093.html ↗
- https://git.lysator.liu.se/nettle/nettle/commit/c71d2c9d20eeebb985e3872e4550137209e3ce4d ↗
- http://www.ubuntu.com/usn/USN-2897-1 ↗
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00091.html ↗
- http://www.openwall.com/lists/oss-security/2016/02/02/2 ↗
- http://rhn.redhat.com/errata/RHSA-2016-2582.html ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176807.html ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177229.html ↗
- https://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html ↗
- http://www.openwall.com/lists/oss-security/2016/02/03/1 ↗