Critical severity9.8NVD Advisory· Published Feb 23, 2016· Updated May 6, 2026
CVE-2015-8803
CVE-2015-8803
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
6cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*+ 1 more
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
14- git.lysator.liu.se/nettle/nettle/commit/c71d2c9d20eeebb985e3872e4550137209e3ce4dnvdPatch
- lists.lysator.liu.se/pipermail/nettle-bugs/2015/003028.htmlnvdVendor Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-February/176807.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2016-February/177229.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2016-February/177473.htmlnvd
- lists.opensuse.org/opensuse-updates/2016-02/msg00091.htmlnvd
- lists.opensuse.org/opensuse-updates/2016-02/msg00093.htmlnvd
- lists.opensuse.org/opensuse-updates/2016-02/msg00100.htmlnvd
- rhn.redhat.com/errata/RHSA-2016-2582.htmlnvd
- www.openwall.com/lists/oss-security/2016/02/02/2nvd
- www.openwall.com/lists/oss-security/2016/02/03/1nvd
- www.ubuntu.com/usn/USN-2897-1nvd
- blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.htmlnvd
- lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.htmlnvd
News mentions
0No linked articles in our index yet.