158 lines
7.0 KiB
JSON
158 lines
7.0 KiB
JSON
{
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"containers": {
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"cna": {
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"affected": [
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"value": "An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Through an undocumented sequence of keypresses, undocumented functionality is triggered. A diagnostics shell is triggered via CTRL-ALT-t, which prompts for the password returned by fds_sys_passDebugPasswd_ret(). The firmware contains access control checks that determine if remote users are allowed to access this functionality. The function that performs this check (fds_sys_remoteDebugEnable_ret in libfds.so) always return TRUE with no actual checks performed. The diagnostics menu allows for reading/writing arbitrary registers and various other configuration parameters which are believed to be related to the network interface chips."
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}
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"lang": "en",
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"type": "text"
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"providerMetadata": {
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"dateUpdated": "2019-11-14T20:15:56.000Z",
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{
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"tags": [
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"x_refsource_MISC"
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"url": "https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html"
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},
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{
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"tags": [
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"x_refsource_CONFIRM"
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}
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"references": {
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"reference_data": [
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{
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"name": "https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html",
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"refsource": "MISC",
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"url": "https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html"
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},
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{
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"name": "https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml",
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"refsource": "CONFIRM",
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"shortName": "CVE",
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"dateUpdated": "2024-08-05T00:56:22.468Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"tags": [
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"x_refsource_MISC",
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"x_transferred"
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],
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"url": "https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html"
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},
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{
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"tags": [
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}
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]
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"cveMetadata": {
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"cveId": "CVE-2019-15803",
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