CVE-2015-8804

x86_64/ecc-384-modp.asm in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output in its implementation of the P-384 NIST elliptic curve, which allows attackers to have unspecified impact via unknown vectors.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://lists.opensuse.org/opensuse-updates/2016-02/msg00093.html
https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html
https://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html
http://lists.opensuse.org/opensuse-updates/2016-02/msg00100.html
http://www.openwall.com/lists/oss-security/2016/02/02/2
http://www.openwall.com/lists/oss-security/2016/02/03/1
http://www.ubuntu.com/usn/USN-2897-1
http://lists.opensuse.org/opensuse-updates/2016-02/msg00091.html
https://git.lysator.liu.se/nettle/nettle/commit/fa269b6ad06dd13c901dbd84a12e52b918a09cd7	Patch
https://lists.lysator.liu.se/pipermail/nettle-bugs/2015/003024.html	Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2582.html

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:nettle_project:nettle:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:opensuse:leap:42.1:::::::*
	cpe:2.3:o:opensuse:opensuse:13.2:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:opensuse:opensuse:13.1:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:15.10:::::::*

Information

Published : 2016-02-23 11:59

Updated : 2018-10-30 09:27

NVD link : CVE-2015-8804

Mitre link : CVE-2015-8804

JSON object : View

CWE

CWE-310

Cryptographic Issues

CWE-254

7PK - Security Features

Advertisement

Products Affected

nettle_project

nettle

canonical

ubuntu_linux

opensuse

opensuse
leap

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00093.html", "name": "openSUSE-SU-2016:0477", "tags": [], "refsource": "SUSE"}, {"url": "https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html", "name": "https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html", "tags": [], "refsource": "MISC"}, {"url": "https://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html", "name": "[info-gnu] 20160128 ANNOUNCE: Nettle-3.2", "tags": [], "refsource": "MLIST"}, {"url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00100.html", "name": "openSUSE-SU-2016:0486", "tags": [], "refsource": "SUSE"}, {"url": "http://www.openwall.com/lists/oss-security/2016/02/02/2", "name": "[oss-security] 20160202 Miscomputations of elliptic curve scalar multiplications in Nettle", "tags": [], "refsource": "MLIST"}, {"url": "http://www.openwall.com/lists/oss-security/2016/02/03/1", "name": "[oss-security] 20160202 Re: Miscomputations of elliptic curve scalar multiplications in Nettle", "tags": [], "refsource": "MLIST"}, {"url": "http://www.ubuntu.com/usn/USN-2897-1", "name": "USN-2897-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00091.html", "name": "openSUSE-SU-2016:0475", "tags": [], "refsource": "SUSE"}, {"url": "https://git.lysator.liu.se/nettle/nettle/commit/fa269b6ad06dd13c901dbd84a12e52b918a09cd7", "name": "https://git.lysator.liu.se/nettle/nettle/commit/fa269b6ad06dd13c901dbd84a12e52b918a09cd7", "tags": ["Patch"], "refsource": "CONFIRM"}, {"url": "https://lists.lysator.liu.se/pipermail/nettle-bugs/2015/003024.html", "name": "[nettle-bugs] 20151211 Miscalculations on secp384 curve", "tags": ["Vendor Advisory"], "refsource": "MLIST"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2582.html", "name": "RHSA-2016:2582", "tags": [], "refsource": "REDHAT"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "x86_64/ecc-384-modp.asm in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output in its implementation of the P-384 NIST elliptic curve, which allows attackers to have unspecified impact via unknown vectors."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-310"}, {"lang": "en", "value": "CWE-254"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2015-8804", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "acInsufInfo": true, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2016-02-23T19:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:nettle_project:nettle:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "3.1.1"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-10-30T16:27Z"}