CVE-2020-26213

In teler before version 0.0.1, if you run teler inside a Docker container and encounter `errors.Exit` function, it will cause denial-of-service (`SIGSEGV`) because it doesn't get process ID and process group ID of teler properly to kills. The issue is patched in teler 0.0.1 and 0.0.1-dev5.1.

CVSS v3 5.9 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/kitabisa/teler/commit/ec6082049dba9e44a21f35fb7b123d42ce1a1a7e	Patch Third Party Advisory
https://github.com/kitabisa/teler/security/advisories/GHSA-jhj6-5mh6-4pvf	Third Party Advisory
https://github.com/kitabisa/teler/commit/ec6082049dba9e44a21f35fb7b123d42ce1a1a7e	Patch Third Party Advisory
https://github.com/kitabisa/teler/security/advisories/GHSA-jhj6-5mh6-4pvf	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:teler_project:teler:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:19

Type	Values Removed	Values Added
CVSS	v2 : ~~5.0~~ v3 : ~~7.5~~	v2 : 5.0 v3 : 5.9
References	~~() https://github.com/kitabisa/teler/commit/ec6082049dba9e44a21f35fb7b123d42ce1a1a7e - Patch, Third Party Advisory~~	() https://github.com/kitabisa/teler/commit/ec6082049dba9e44a21f35fb7b123d42ce1a1a7e - Patch, Third Party Advisory
References	~~() https://github.com/kitabisa/teler/security/advisories/GHSA-jhj6-5mh6-4pvf - Third Party Advisory~~	() https://github.com/kitabisa/teler/security/advisories/GHSA-jhj6-5mh6-4pvf - Third Party Advisory

Information

Published : 2020-11-06 17:15

Updated : 2024-11-21 05:19

NVD link : CVE-2020-26213

Mitre link : CVE-2020-26213

CVE.ORG link : CVE-2020-26213

JSON object : View

Products Affected

teler_project

teler

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2020-26213", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2020-11-06T17:15:12.280", "references": [{"url": "https://github.com/kitabisa/teler/commit/ec6082049dba9e44a21f35fb7b123d42ce1a1a7e", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/kitabisa/teler/security/advisories/GHSA-jhj6-5mh6-4pvf", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/kitabisa/teler/commit/ec6082049dba9e44a21f35fb7b123d42ce1a1a7e", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/kitabisa/teler/security/advisories/GHSA-jhj6-5mh6-4pvf", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In teler before version 0.0.1, if you run teler inside a Docker container and encounter `errors.Exit` function, it will cause denial-of-service (`SIGSEGV`) because it doesn't get process ID and process group ID of teler properly to kills. The issue is patched in teler 0.0.1 and 0.0.1-dev5.1."}, {"lang": "es", "value": "En teler versiones anteriores a 0.0.1, si ejecuta teler dentro de un contenedor Docker y encuentra la funci\u00f3n \"errors.Exit\", causar\u00e1 una denegaci\u00f3n de servicio (\"SIGSEGV\") porque no obtiene el ID del proceso y el ID del grupo de procesos de teler apropiadamente para eliminar. El problema est\u00e1 parcheado en teler 0.0.1 y 0.0.1-dev5.1"}], "lastModified": "2024-11-21T05:19:32.547", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:teler_project:teler:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8E18AB1-AE1F-4989-934B-6F1006A11561", "versionEndExcluding": "0.0.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}