CVE-2018-14055 - Vulnerability Details - OpenCVE

Description

ZNC before 1.7.1-rc1 does not properly validate untrusted lines coming from the network, allowing a non-admin user to escalate his privilege and inject rogue values into znc.conf.

Published: 2018-07-15

Score: 6.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:znc:znc:*:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DLA	DLA-1427-1	znc security update
Debian DSA	DSA-4252-1	znc security update
EUVD	EUVD-2018-5981	ZNC before 1.7.1-rc1 does not properly validate untrusted lines coming from the network, allowing a non-admin user to escalate his privilege and inject rogue values into znc.conf.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00377.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e
https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d
https://security.gentoo.org/glsa/201807-03
https://www.debian.org/security/2018/dsa-4252

History

No history.

Subscriptions

Debian Debian Linux

Znc Znc

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-07-15T01:00:00.000Z

Updated: 2024-08-05T09:21:40.831Z

Reserved: 2018-07-14T00:00:00.000Z

Link: CVE-2018-14055

Vulnrichment

No data.

NVD

Status : Modified

Published: 2018-07-15T01:29:03.587

Modified: 2024-11-21T03:48:31.890

Link: CVE-2018-14055

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-07-14T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "ZNC before 1.7.1-rc1 does not properly validate untrusted lines coming from the network, allowing a non-admin user to escalate his privilege and inject rogue values into znc.conf."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-21T09:57:02.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d"}, {"name": "DSA-4252", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2018/dsa-4252"}, {"name": "GLSA-201807-03", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201807-03"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-14055", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "ZNC before 1.7.1-rc1 does not properly validate untrusted lines coming from the network, allowing a non-admin user to escalate his privilege and inject rogue values into znc.conf."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e", "refsource": "MISC", "url": "https://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e"}, {"name": "https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d", "refsource": "MISC", "url": "https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d"}, {"name": "DSA-4252", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2018/dsa-4252"}, {"name": "GLSA-201807-03", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201807-03"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T09:21:40.831Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d"}, {"name": "DSA-4252", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2018/dsa-4252"}, {"name": "GLSA-201807-03", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201807-03"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-14055", "datePublished": "2018-07-15T01:00:00.000Z", "dateReserved": "2018-07-14T00:00:00.000Z", "dateUpdated": "2024-08-05T09:21:40.831Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:znc:znc:*:*:*:*:*:*:*:*", "matchCriteriaId": "D5E5C246-94BF-4233-A1A5-7924D253C052", "versionEndIncluding": "1.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "ZNC before 1.7.1-rc1 does not properly validate untrusted lines coming from the network, allowing a non-admin user to escalate his privilege and inject rogue values into znc.conf."}, {"lang": "es", "value": "ZNC en versiones anteriores a la 1.7.1-rc1 no valida correctamente las l\u00edneas no fiables provenientes de la red, lo que permite que un usuario que no es administrador escale sus privilegios e inyecte valores no autorizados en znc.conf."}], "id": "CVE-2018-14055", "lastModified": "2024-11-21T03:48:31.890", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-07-15T01:29:03.587", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201807-03"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2018/dsa-4252"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201807-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2018/dsa-4252"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}