176 lines
6.9 KiB
JSON
176 lines
6.9 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1",
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"cveMetadata": {
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"state": "PUBLISHED",
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"cveId": "CVE-2021-40528",
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"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"assignerShortName": "mitre",
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"dateUpdated": "2025-06-09T15:13:03.906Z",
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"dateReserved": "2021-09-06T00:00:00.000Z",
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"datePublished": "2021-09-06T00:00:00.000Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"shortName": "mitre",
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"dateUpdated": "2022-10-31T00:00:00.000Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP."
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}
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],
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"affected": [
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{
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"vendor": "n/a",
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"product": "n/a",
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"versions": [
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{
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"version": "n/a",
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"status": "affected"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://eprint.iacr.org/2021/923"
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},
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{
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"url": "https://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1"
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},
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{
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"url": "https://ibm.github.io/system-security-research-updates/2021/09/06/insecurity-elgamal-pt2"
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},
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{
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"url": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=3462280f2e23e16adf3ed5176e0f2413d8861320"
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},
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{
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"name": "GLSA-202210-13",
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"tags": [
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"vendor-advisory"
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],
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"url": "https://security.gentoo.org/glsa/202210-13"
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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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"type": "text",
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"lang": "en",
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"description": "n/a"
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}
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]
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}
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]
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},
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"adp": [
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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": "2024-08-04T02:44:10.845Z"
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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": "https://eprint.iacr.org/2021/923",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://ibm.github.io/system-security-research-updates/2021/09/06/insecurity-elgamal-pt2",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=3462280f2e23e16adf3ed5176e0f2413d8861320",
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"tags": [
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"x_transferred"
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]
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},
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{
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"name": "GLSA-202210-13",
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"tags": [
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"vendor-advisory",
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"x_transferred"
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],
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"url": "https://security.gentoo.org/glsa/202210-13"
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}
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]
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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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"type": "CWE",
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"cweId": "CWE-327",
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"lang": "en",
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"description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm"
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}
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]
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}
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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": 5.9,
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"attackVector": "NETWORK",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "HIGH",
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"availabilityImpact": "NONE",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "HIGH"
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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": "2025-06-09T15:12:20.359985Z",
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"id": "CVE-2021-40528",
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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": "2025-06-09T15:13:03.906Z"
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}
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}
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]
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}
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} |