Search criteria
4 vulnerabilities found for syscall by Go standard library
CVE-2025-0913 (GCVE-0-2025-0913)
Vulnerability from cvelistv5 – Published: 2025-06-11 17:17 – Updated: 2025-06-11 17:37
VLAI?
Summary
os.OpenFile(path, os.O_CREATE|O_EXCL) behaved differently on Unix and Windows systems when the target path was a dangling symlink. On Unix systems, OpenFile with O_CREATE and O_EXCL flags never follows symlinks. On Windows, when the target path was a symlink to a nonexistent location, OpenFile would create a file in that location. OpenFile now always returns an error when the O_CREATE and O_EXCL flags are both set and the target path is a symlink.
Severity ?
5.5 (Medium)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Go standard library | syscall |
Affected:
0 , < 1.23.10
(semver)
Affected: 1.24.0-0 , < 1.24.4 (semver) |
|||||||
|
|||||||||
Credits
Junyoung Park and Dong-uk Kim of KAIST Hacking Lab
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{
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{
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{
"name": "Getwd"
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{
"name": "Lchown"
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{
"name": "Link"
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{
"name": "Lstat"
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{
"name": "Mkdir"
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{
"name": "MkdirAll"
},
{
"name": "MkdirTemp"
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{
"name": "NewFile"
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{
"name": "Open"
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{
"name": "OpenInRoot"
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{
"name": "OpenRoot"
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{
"name": "Pipe"
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{
"name": "ReadDir"
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{
"name": "ReadFile"
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{
"name": "Remove"
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{
"name": "RemoveAll"
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{
"name": "Rename"
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"name": "Root.Create"
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"name": "Root.Lstat"
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"name": "Root.Mkdir"
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"name": "Root.Remove"
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{
"name": "Root.Stat"
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{
"name": "StartProcess"
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{
"name": "Stat"
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{
"name": "Symlink"
},
{
"name": "Truncate"
},
{
"name": "WriteFile"
},
{
"name": "dirFS.Open"
},
{
"name": "dirFS.ReadDir"
},
{
"name": "dirFS.ReadFile"
},
{
"name": "dirFS.Stat"
},
{
"name": "rootFS.Open"
},
{
"name": "rootFS.ReadDir"
},
{
"name": "rootFS.ReadFile"
},
{
"name": "rootFS.Stat"
},
{
"name": "unixDirent.Info"
}
],
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CVE-2022-41716 (GCVE-0-2022-41716)
Vulnerability from cvelistv5 – Published: 2022-11-02 15:28 – Updated: 2024-10-30 13:59
VLAI?
Summary
Due to unsanitized NUL values, attackers may be able to maliciously set environment variables on Windows. In syscall.StartProcess and os/exec.Cmd, invalid environment variable values containing NUL values are not properly checked for. A malicious environment variable value can exploit this behavior to set a value for a different environment variable. For example, the environment variable string "A=B\x00C=D" sets the variables "A=B" and "C=D".
Severity ?
6.3 (Medium)
CWE
- CWE-158 - Improper Neutralization of Null Byte or NUL Character
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Go standard library | syscall |
Affected:
0 , < 1.18.8
(semver)
Affected: 1.19.0-0 , < 1.19.3 (semver) |
|||||||
|
|||||||||
Credits
RyotaK (https://twitter.com/ryotkak)
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"defaultStatus": "unaffected",
"packageName": "os/exec",
"platforms": [
"windows"
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"product": "os/exec",
"programRoutines": [
{
"name": "Cmd.environ"
},
{
"name": "dedupEnv"
},
{
"name": "dedupEnvCase"
},
{
"name": "Cmd.CombinedOutput"
},
{
"name": "Cmd.Environ"
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CVE-2025-0913 (GCVE-0-2025-0913)
Vulnerability from nvd – Published: 2025-06-11 17:17 – Updated: 2025-06-11 17:37
VLAI?
Summary
os.OpenFile(path, os.O_CREATE|O_EXCL) behaved differently on Unix and Windows systems when the target path was a dangling symlink. On Unix systems, OpenFile with O_CREATE and O_EXCL flags never follows symlinks. On Windows, when the target path was a symlink to a nonexistent location, OpenFile would create a file in that location. OpenFile now always returns an error when the O_CREATE and O_EXCL flags are both set and the target path is a symlink.
Severity ?
5.5 (Medium)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Go standard library | syscall |
Affected:
0 , < 1.23.10
(semver)
Affected: 1.24.0-0 , < 1.24.4 (semver) |
|||||||
|
|||||||||
Credits
Junyoung Park and Dong-uk Kim of KAIST Hacking Lab
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"name": "Getwd"
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"name": "Lchown"
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{
"name": "Link"
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"name": "Lstat"
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"name": "MkdirAll"
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"name": "Open"
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"name": "OpenInRoot"
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"name": "OpenRoot"
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"name": "Pipe"
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"name": "ReadFile"
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"name": "Truncate"
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"name": "WriteFile"
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"name": "dirFS.ReadDir"
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"name": "dirFS.ReadFile"
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"name": "dirFS.Stat"
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{
"name": "rootFS.Open"
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{
"name": "rootFS.ReadDir"
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{
"name": "rootFS.ReadFile"
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{
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{
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"vendor": "Go standard library",
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"version": "0",
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CVE-2022-41716 (GCVE-0-2022-41716)
Vulnerability from nvd – Published: 2022-11-02 15:28 – Updated: 2024-10-30 13:59
VLAI?
Summary
Due to unsanitized NUL values, attackers may be able to maliciously set environment variables on Windows. In syscall.StartProcess and os/exec.Cmd, invalid environment variable values containing NUL values are not properly checked for. A malicious environment variable value can exploit this behavior to set a value for a different environment variable. For example, the environment variable string "A=B\x00C=D" sets the variables "A=B" and "C=D".
Severity ?
6.3 (Medium)
CWE
- CWE-158 - Improper Neutralization of Null Byte or NUL Character
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Go standard library | syscall |
Affected:
0 , < 1.18.8
(semver)
Affected: 1.19.0-0 , < 1.19.3 (semver) |
|||||||
|
|||||||||
Credits
RyotaK (https://twitter.com/ryotkak)
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"url": "https://security.netapp.com/advisory/ntap-20230120-0007/"
},
{
"tags": [
"x_transferred"
],
"url": "https://go.dev/issue/56284"
},
{
"tags": [
"x_transferred"
],
"url": "https://go.dev/cl/446916"
},
{
"tags": [
"x_transferred"
],
"url": "https://groups.google.com/g/golang-announce/c/mbHY1UY3BaM/m/hSpmRzk-AgAJ"
},
{
"tags": [
"x_transferred"
],
"url": "https://pkg.go.dev/vuln/GO-2022-1095"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2022-41716",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-01T14:02:04.861393Z",
"version": "2.0.3"
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}
],
"providerMetadata": {
"dateUpdated": "2024-10-30T13:59:43.967Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "syscall",
"platforms": [
"windows"
],
"product": "syscall",
"programRoutines": [
{
"name": "StartProcess"
}
],
"vendor": "Go standard library",
"versions": [
{
"lessThan": "1.18.8",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "1.19.3",
"status": "affected",
"version": "1.19.0-0",
"versionType": "semver"
}
]
},
{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "os/exec",
"platforms": [
"windows"
],
"product": "os/exec",
"programRoutines": [
{
"name": "Cmd.environ"
},
{
"name": "dedupEnv"
},
{
"name": "dedupEnvCase"
},
{
"name": "Cmd.CombinedOutput"
},
{
"name": "Cmd.Environ"
},
{
"name": "Cmd.Output"
},
{
"name": "Cmd.Run"
},
{
"name": "Cmd.Start"
}
],
"vendor": "Go standard library",
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{
"lessThan": "1.18.8",
"status": "affected",
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{
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]
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],
"credits": [
{
"lang": "en",
"value": "RyotaK (https://twitter.com/ryotkak)"
}
],
"descriptions": [
{
"lang": "en",
"value": "Due to unsanitized NUL values, attackers may be able to maliciously set environment variables on Windows. In syscall.StartProcess and os/exec.Cmd, invalid environment variable values containing NUL values are not properly checked for. A malicious environment variable value can exploit this behavior to set a value for a different environment variable. For example, the environment variable string \"A=B\\x00C=D\" sets the variables \"A=B\" and \"C=D\"."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-158: Improper Neutralization of Null Byte or NUL Character",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-06-12T19:12:49.198Z",
"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
"shortName": "Go"
},
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{
"url": "https://go.dev/issue/56284"
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{
"url": "https://go.dev/cl/446916"
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{
"url": "https://groups.google.com/g/golang-announce/c/mbHY1UY3BaM/m/hSpmRzk-AgAJ"
},
{
"url": "https://pkg.go.dev/vuln/GO-2022-1095"
}
],
"title": "Unsanitized NUL in environment variables on Windows in syscall and os/exec"
}
},
"cveMetadata": {
"assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
"assignerShortName": "Go",
"cveId": "CVE-2022-41716",
"datePublished": "2022-11-02T15:28:19.574Z",
"dateReserved": "2022-09-28T17:00:06.607Z",
"dateUpdated": "2024-10-30T13:59:43.967Z",
"requesterUserId": "7d08541a-cd0a-42e2-8f81-76e6ceb65fc3",
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