187 lines
8.5 KiB
JSON
187 lines
8.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-40923",
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"assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
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"state": "PUBLISHED",
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"assignerShortName": "CPANSec",
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"dateReserved": "2025-04-16T09:05:34.362Z",
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"datePublished": "2025-07-16T13:05:03.782Z",
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"dateUpdated": "2025-11-04T21:10:20.704Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"collectionURL": "https://cpan.org/modules",
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"defaultStatus": "unaffected",
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"packageName": "Plack-Middleware-Session",
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"product": "Plack::Middleware::Session",
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"programFiles": [
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"lib/Plack/Session/State.pm"
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],
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"repo": "https://github.com/plack/Plack-Middleware-Session",
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"vendor": "MIYAGAWA",
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"versions": [
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{
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"lessThan": "0.35",
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"status": "affected",
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"version": "0.01",
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"versionType": "custom"
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}
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<div>Plack-Middleware-Session before version 0.35 for Perl generates session ids insecurely.</div><div>The default session id generator returns a SHA-1 hash seeded with the built-in rand function, the epoch time, and the PID. The PID will come from a small set of numbers, and the epoch time may be guessed, if it is not leaked from the HTTP Date header. The built-in rand function is unsuitable for cryptographic usage.</div><div>Predicable session ids could allow an attacker to gain access to systems.</div>"
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}
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],
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"value": "Plack-Middleware-Session before version 0.35 for Perl generates session ids insecurely.\n\nThe default session id generator returns a SHA-1 hash seeded with the built-in rand function, the epoch time, and the PID. The PID will come from a small set of numbers, and the epoch time may be guessed, if it is not leaked from the HTTP Date header. The built-in rand function is unsuitable for cryptographic usage.\n\nPredicable session ids could allow an attacker to gain access to systems."
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-340",
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"description": "CWE-340 Generation of Predictable Numbers or Identifiers",
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"lang": "en",
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"type": "CWE"
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},
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{
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"cweId": "CWE-338",
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"description": "CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
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"shortName": "CPANSec",
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"dateUpdated": "2025-07-16T13:05:03.782Z"
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},
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"references": [
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{
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"url": "https://metacpan.org/release/MIYAGAWA/Plack-Middleware-Session-0.34/source/lib/Plack/Session/State.pm#L22"
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},
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{
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"url": "https://github.com/plack/Plack-Middleware-Session/pull/52"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/plack/Plack-Middleware-Session/commit/1fbfbb355e34e7f4b3906f66cf958cedadd2b9be.patch"
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},
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{
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"url": "https://security.metacpan.org/docs/guides/random-data-for-security.html"
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}
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],
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"solutions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<div>Users are advised to upgrade to Plack-Middleware-Session v0.35 or later.</div>"
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}
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],
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"value": "Users are advised to upgrade to Plack-Middleware-Session v0.35 or later."
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"title": "Plack-Middleware-Session before version 0.35 for Perl generates session ids insecurely",
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"workarounds": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<div>Users who are unable to upgrade are advised to change the sid_generator attribute of Plack::Session::State to a function that returns a securely generated session id based on a secure source of entropy from the system.</div>"
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}
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],
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"value": "Users who are unable to upgrade are advised to change the sid_generator attribute of Plack::Session::State to a function that returns a securely generated session id based on a secure source of entropy from the system."
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}
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],
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"x_generator": {
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"engine": "Vulnogram 0.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 7.3,
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"attackVector": "NETWORK",
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
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"integrityImpact": "LOW",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "LOW",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "LOW"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2025-07-16T20:47:49.157521Z",
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"id": "CVE-2025-40923",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2025-07-16T20:48:17.516Z"
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}
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},
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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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"url": "http://www.openwall.com/lists/oss-security/2025/07/16/4"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2025-11-04T21:10:20.704Z"
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}
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}
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]
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}
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} |