CVE-2017-16879

Stack-based buffer overflow in the _nc_write_entry function in tinfo/write_entry.c in ncurses 6.0 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted terminfo file, as demonstrated by tic.

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://packetstormsecurity.com/files/145045/GNU-ncurses-6.0-tic-Denial-Of-Service.html	Third Party Advisory VDB Entry
http://invisible-island.net/ncurses/NEWS.html#t20171125	Vendor Advisory
https://tools.cisco.com/security/center/viewAlert.x?alertId=57695	Permissions Required Third Party Advisory
https://security.gentoo.org/glsa/201804-13	Third Party Advisory
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:ncurses:6.0:*:*:*:*:*:*:*

Information

Published : 2017-11-22 14:29

Updated : 2021-06-29 08:15

NVD link : CVE-2017-16879

Mitre link : CVE-2017-16879

JSON object : View

CWE

CWE-787

Out-of-bounds Write

Advertisement

Products Affected

gnu

ncurses

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://packetstormsecurity.com/files/145045/GNU-ncurses-6.0-tic-Denial-Of-Service.html", "name": "http://packetstormsecurity.com/files/145045/GNU-ncurses-6.0-tic-Denial-Of-Service.html", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "MISC"}, {"url": "http://invisible-island.net/ncurses/NEWS.html#t20171125", "name": "http://invisible-island.net/ncurses/NEWS.html#t20171125", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://tools.cisco.com/security/center/viewAlert.x?alertId=57695", "name": "https://tools.cisco.com/security/center/viewAlert.x?alertId=57695", "tags": ["Permissions Required", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://security.gentoo.org/glsa/201804-13", "name": "GLSA-201804-13", "tags": ["Third Party Advisory"], "refsource": "GENTOO"}, {"url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E", "name": "[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8", "tags": [], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E", "name": "[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8", "tags": [], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Stack-based buffer overflow in the _nc_write_entry function in tinfo/write_entry.c in ncurses 6.0 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted terminfo file, as demonstrated by tic."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-787"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-16879", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2017-11-22T22:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:gnu:ncurses:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-06-29T15:15Z"}