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CVE-2016-3959 (GCVE-0-2016-3959)
Vulnerability from cvelistv5 – Published: 2016-05-23 19:00 – Updated: 2024-08-06 00:10- n/a
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/04/05/2 | mailing-listx_refsource_MLIST |
| https://go-review.googlesource.com/#/c/21533/ | x_refsource_CONFIRM |
| http://rhn.redhat.com/errata/RHSA-2016-1538.html | vendor-advisoryx_refsource_REDHAT |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
| https://groups.google.com/forum/#%21topic/golang-… | mailing-listx_refsource_MLIST |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
| http://lists.opensuse.org/opensuse-updates/2016-0… | vendor-advisoryx_refsource_SUSE |
| http://www.openwall.com/lists/oss-security/2016/04/05/1 | mailing-listx_refsource_MLIST |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
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RHSA-2016:1538
Vulnerability from csaf_redhat - Published: 2016-08-02 18:20 - Updated: 2026-05-13 01:49HTTP-request vulnerabilities have been found in the Golang net/http and net/textproto libraries. Request headers with double Content-Length fields do not generate a 400 error (the second field is ignored), and invalid fields are parsed as valid (for example, "Content Length:" with a space in the middle is accepted). A non-authenticated attacker could exploit these flaws to bypass security controls, perform web-cache poisoning, or alter the request/response map (denial of service).
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.src | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.x86_64 | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-bin-0:1.6.3-1.el7_2.1.x86_64 | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-docs-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-misc-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-src-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-tests-0:1.6.3-1.el7_2.1.noarch | — |
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HTTP-request vulnerabilities have been found in the Golang net/http and net/textproto libraries. Request headers with double Content-Length fields do not generate a 400 error (the second field is ignored), and invalid fields are parsed as valid (for example, "Content Length:" with a space in the middle is accepted). A non-authenticated attacker could exploit these flaws to bypass security controls, perform web-cache poisoning, or alter the request/response map (denial of service).
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.src | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.x86_64 | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-bin-0:1.6.3-1.el7_2.1.x86_64 | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-docs-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-misc-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-src-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-tests-0:1.6.3-1.el7_2.1.noarch | — |
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|
HTTP-request vulnerabilities have been found in the Golang net/http and net/textproto libraries. Request headers with double Content-Length fields do not generate a 400 error (the second field is ignored), and invalid fields are parsed as valid (for example, "Content Length:" with a space in the middle is accepted). A non-authenticated attacker could exploit these flaws to bypass security controls, perform web-cache poisoning, or alter the request/response map (denial of service).
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.src | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.x86_64 | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-bin-0:1.6.3-1.el7_2.1.x86_64 | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-docs-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-misc-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-src-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-tests-0:1.6.3-1.el7_2.1.noarch | — |
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A denial of service vulnerability was found in Go's verification of DSA public keys. An attacker could provide a crafted key to HTTPS client or SSH server libraries which would cause the application to enter an infinite loop.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.src | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.x86_64 | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-bin-0:1.6.3-1.el7_2.1.x86_64 | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-docs-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-misc-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-src-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-tests-0:1.6.3-1.el7_2.1.noarch | — |
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An input-validation flaw was discovered in the Go programming language built in CGI implementation, which set the environment variable "HTTP_PROXY" using the incoming "Proxy" HTTP-request header. The environment variable "HTTP_PROXY" is used by numerous web clients, including Go's net/http package, to specify a proxy server to use for HTTP and, in some cases, HTTPS requests. This meant that when a CGI-based web application ran, an attacker could specify a proxy server which the application then used for subsequent outgoing requests, allowing a man-in-the-middle attack.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.src | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.x86_64 | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-bin-0:1.6.3-1.el7_2.1.x86_64 | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-docs-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-misc-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-src-0:1.6.3-1.el7_2.1.noarch | — |
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| Unresolved product id: 7Server-optional-7.2.Z:golang-tests-0:1.6.3-1.el7_2.1.noarch | — |
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"title": "golang: infinite loop in several big integer routines"
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},
{
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"title": "Vulnerability summary"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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RHSA-2016_1538
Vulnerability from csaf_redhat - Published: 2016-08-02 18:20 - Updated: 2024-11-22 10:12HTTP-request vulnerabilities have been found in the Golang net/http and net/textproto libraries. Request headers with double Content-Length fields do not generate a 400 error (the second field is ignored), and invalid fields are parsed as valid (for example, "Content Length:" with a space in the middle is accepted). A non-authenticated attacker could exploit these flaws to bypass security controls, perform web-cache poisoning, or alter the request/response map (denial of service).
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-bin-0:1.6.3-1.el7_2.1.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-docs-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-misc-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-src-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-tests-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
HTTP-request vulnerabilities have been found in the Golang net/http and net/textproto libraries. Request headers with double Content-Length fields do not generate a 400 error (the second field is ignored), and invalid fields are parsed as valid (for example, "Content Length:" with a space in the middle is accepted). A non-authenticated attacker could exploit these flaws to bypass security controls, perform web-cache poisoning, or alter the request/response map (denial of service).
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-bin-0:1.6.3-1.el7_2.1.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-docs-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-misc-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-src-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-tests-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
HTTP-request vulnerabilities have been found in the Golang net/http and net/textproto libraries. Request headers with double Content-Length fields do not generate a 400 error (the second field is ignored), and invalid fields are parsed as valid (for example, "Content Length:" with a space in the middle is accepted). A non-authenticated attacker could exploit these flaws to bypass security controls, perform web-cache poisoning, or alter the request/response map (denial of service).
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-bin-0:1.6.3-1.el7_2.1.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-docs-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-misc-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-src-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-tests-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
A denial of service vulnerability was found in Go's verification of DSA public keys. An attacker could provide a crafted key to HTTPS client or SSH server libraries which would cause the application to enter an infinite loop.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-bin-0:1.6.3-1.el7_2.1.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-docs-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-misc-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-src-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-tests-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
An input-validation flaw was discovered in the Go programming language built in CGI implementation, which set the environment variable "HTTP_PROXY" using the incoming "Proxy" HTTP-request header. The environment variable "HTTP_PROXY" is used by numerous web clients, including Go's net/http package, to specify a proxy server to use for HTTP and, in some cases, HTTPS requests. This meant that when a CGI-based web application ran, an attacker could specify a proxy server which the application then used for subsequent outgoing requests, allowing a man-in-the-middle attack.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-0:1.6.3-1.el7_2.1.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-bin-0:1.6.3-1.el7_2.1.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-docs-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-misc-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-src-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-optional-7.2.Z:golang-tests-0:1.6.3-1.el7_2.1.noarch | — |
Vendor Fix
fix
|
{
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"text": "Moderate"
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"tlp": {
"label": "WHITE",
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"title": "Details"
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"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "golang: infinite loop in several big integer routines"
},
{
"acknowledgments": [
{
"names": [
"Scott Geary"
],
"organization": "VendHQ"
}
],
"cve": "CVE-2016-5386",
"cwe": {
"id": "CWE-20",
"name": "Improper Input Validation"
},
"discovery_date": "2016-07-04T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1353798"
}
],
"notes": [
{
"category": "description",
"text": "An input-validation flaw was discovered in the Go programming language built in CGI implementation, which set the environment variable \"HTTP_PROXY\" using the incoming \"Proxy\" HTTP-request header. The environment variable \"HTTP_PROXY\" is used by numerous web clients, including Go\u0027s net/http package, to specify a proxy server to use for HTTP and, in some cases, HTTPS requests. This meant that when a CGI-based web application ran, an attacker could specify a proxy server which the application then used for subsequent outgoing requests, allowing a man-in-the-middle attack.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Go: sets environmental variable based on user supplied Proxy request header",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2016-5386"
},
{
"category": "external",
"summary": "RHBZ#1353798",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1353798"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2016-5386",
"url": "https://www.cve.org/CVERecord?id=CVE-2016-5386"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2016-5386",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-5386"
}
],
"release_date": "2016-07-18T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2016-08-02T18:20:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2016:1538"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N",
"version": "3.0"
},
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"threats": [
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"category": "impact",
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}
],
"title": "Go: sets environmental variable based on user supplied Proxy request header"
}
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.