CVE-2016-7076

sudo before version 1.8.18p1 is vulnerable to a bypass in the sudo noexec restriction if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

V3 Legend

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

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.sudo.ws/alerts/noexec_wordexp.html	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7076	Issue Tracking
http://www.securityfocus.com/bid/95778	Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-2872.html	Third Party Advisory
https://security.netapp.com/advisory/ntap-20181127-0002/
https://usn.ubuntu.com/3968-1/
https://usn.ubuntu.com/3968-3/

Configurations

Configuration 1 (hide)

cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*

Information

Published : 2018-05-29 06:29

Updated : 2020-09-30 11:15

NVD link : CVE-2016-7076

Mitre link : CVE-2016-7076

JSON object : View

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

Products Affected

sudo_project

sudo

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.sudo.ws/alerts/noexec_wordexp.html", "name": "https://www.sudo.ws/alerts/noexec_wordexp.html", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7076", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7076", "tags": ["Issue Tracking"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/95778", "name": "95778", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2872.html", "name": "RHSA-2016:2872", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "https://security.netapp.com/advisory/ntap-20181127-0002/", "name": "https://security.netapp.com/advisory/ntap-20181127-0002/", "tags": [], "refsource": "CONFIRM"}, {"url": "https://usn.ubuntu.com/3968-1/", "name": "USN-3968-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3968-3/", "name": "USN-3968-3", "tags": [], "refsource": "UBUNTU"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "sudo before version 1.8.18p1 is vulnerable to a bypass in the sudo noexec restriction if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-77"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-7076", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2018-05-29T13:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "1.8.18", "versionStartIncluding": "1.6.8"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-09-30T18:15Z"}

7.8 /10