fkie_cve-2017-0881
Vulnerability from fkie_nvd
Published
2017-03-28 02:59
Modified
2025-04-20 01:37
Severity ?
Summary
An error in the implementation of an autosubscribe feature in the check_stream_exists route of the Zulip group chat application server before 1.4.3 allowed an authenticated user to subscribe to a private stream that should have required an invitation from an existing member to join. The issue affects all previously released versions of the Zulip server.
References
| URL | Tags | ||
|---|---|---|---|
| support@hackerone.com | http://www.securityfocus.com/bid/97159 | Third Party Advisory, Vendor Advisory | |
| support@hackerone.com | https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f | Patch, Third Party Advisory | |
| support@hackerone.com | https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ | Patch, Release Notes, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/97159 | Third Party Advisory, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ | Patch, Release Notes, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zulip | zulip_server | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C798D82E-5E3A-4784-9D67-3977B15FE8D5",
"versionEndExcluding": "1.4.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An error in the implementation of an autosubscribe feature in the check_stream_exists route of the Zulip group chat application server before 1.4.3 allowed an authenticated user to subscribe to a private stream that should have required an invitation from an existing member to join. The issue affects all previously released versions of the Zulip server."
},
{
"lang": "es",
"value": "Un error en la implementaci\u00f3n de una funci\u00f3n de suscripci\u00f3n autom\u00e1tica en la ruta check_stream_exists del servidor de aplicaciones de chat en grupo Zulip en versiones anteriores a 1.4.3 permiti\u00f3 a un usuario autenticado suscribirse a un flujo privado que deber\u00eda haber requerido una invitaci\u00f3n de un miembro existente para unirse. El problema afecta a todas las versiones liberadas anteriormente del servidor Zulip."
}
],
"id": "CVE-2017-0881",
"lastModified": "2025-04-20T01:37:25.860",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:N/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": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.0"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2017-03-28T02:59:01.463",
"references": [
{
"source": "support@hackerone.com",
"tags": [
"Third Party Advisory",
"Vendor Advisory"
],
"url": "http://www.securityfocus.com/bid/97159"
},
{
"source": "support@hackerone.com",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f"
},
{
"source": "support@hackerone.com",
"tags": [
"Patch",
"Release Notes",
"Third Party Advisory"
],
"url": "https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"Vendor Advisory"
],
"url": "http://www.securityfocus.com/bid/97159"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Release Notes",
"Third Party Advisory"
],
"url": "https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ"
}
],
"sourceIdentifier": "support@hackerone.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "support@hackerone.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-863"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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