ghsa-6g5f-f5pm-mjrg
Vulnerability from github
Published
2022-02-15 01:57
Modified
2023-09-14 19:31
Severity ?
VLAI Severity ?
Summary
Istio may not check inbound TCP connections against istio-policy
Details
Istio 1.1.x through 1.1.6 has Incorrect Access Control. When disablePolicyChecks is set to false, inbound TCP connections do not generate Check requests to istio-policy and external authorization is not applied.
This behavior is a result of a change to istio/pilot/pkg/networking/plugin/mixer/mixer.go in 1.1.
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "istio.io/istio"
},
"ranges": [
{
"events": [
{
"introduced": "1.1.0"
},
{
"fixed": "1.1.7"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2019-12243"
],
"database_specific": {
"cwe_ids": [
"CWE-284"
],
"github_reviewed": true,
"github_reviewed_at": "2021-05-17T15:53:48Z",
"nvd_published_at": null,
"severity": "HIGH"
},
"details": "Istio 1.1.x through 1.1.6 has Incorrect Access Control. When `disablePolicyChecks` is set to `false`, inbound TCP connections do not generate Check requests to istio-policy and external authorization is not applied.\n\nThis behavior is a result of a change to `istio/pilot/pkg/networking/plugin/mixer/mixer.go` in 1.1.\n",
"id": "GHSA-6g5f-f5pm-mjrg",
"modified": "2023-09-14T19:31:06Z",
"published": "2022-02-15T01:57:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12243"
},
{
"type": "WEB",
"url": "https://github.com/istio/istio/issues/13868"
},
{
"type": "WEB",
"url": "https://github.com/istio/istio/pull/13893/commits/91faba277439dab798185730d1624bd53e37bb06"
},
{
"type": "WEB",
"url": "https://istio.io/blog/2019/cve-2019-12243"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:H/RL:O/RC:C",
"type": "CVSS_V3"
}
],
"summary": "Istio may not check inbound TCP connections against istio-policy"
}
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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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