gsd-2020-15953
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
LibEtPan through 1.9.4, as used in MailCore 2 through 0.6.3 and other products, has a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a "begin TLS" response, the client reads additional data (e.g., from a meddler-in-the-middle attacker) and evaluates it in a TLS context, aka "response injection."
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-15953",
"description": "LibEtPan through 1.9.4, as used in MailCore 2 through 0.6.3 and other products, has a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a \"begin TLS\" response, the client reads additional data (e.g., from a meddler-in-the-middle attacker) and evaluates it in a TLS context, aka \"response injection.\"",
"id": "GSD-2020-15953",
"references": [
"https://www.suse.com/security/cve/CVE-2020-15953.html",
"https://ubuntu.com/security/CVE-2020-15953",
"https://advisories.mageia.org/CVE-2020-15953.html",
"https://security.archlinux.org/CVE-2020-15953"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-15953"
],
"details": "LibEtPan through 1.9.4, as used in MailCore 2 through 0.6.3 and other products, has a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a \"begin TLS\" response, the client reads additional data (e.g., from a meddler-in-the-middle attacker) and evaluates it in a TLS context, aka \"response injection.\"",
"id": "GSD-2020-15953",
"modified": "2023-12-13T01:21:43.280696Z",
"schema_version": "1.4.0"
}
},
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"affects": {
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"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
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"version_value": "n/a"
}
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}
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}
]
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"data_version": "4.0",
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"value": "LibEtPan through 1.9.4, as used in MailCore 2 through 0.6.3 and other products, has a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a \"begin TLS\" response, the client reads additional data (e.g., from a meddler-in-the-middle attacker) and evaluates it in a TLS context, aka \"response injection.\""
}
]
},
"problemtype": {
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"name": "https://github.com/dinhvh/libetpan/issues/386",
"refsource": "MISC",
"url": "https://github.com/dinhvh/libetpan/issues/386"
},
{
"name": "GLSA-202007-55",
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},
{
"name": "[debian-lts-announce] 20200816 [SECURITY] [DLA 2329-1] libetpan security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00026.html"
},
{
"name": "FEDORA-2020-13ae5f7221",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QFBWNA5REI5ZGW2DAOEAVHM23MOU6O5J/"
},
{
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},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c=1.9.4",
"affected_versions": "All versions up to 1.9.4",
"cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-74",
"CWE-937"
],
"date": "2020-07-30",
"description": "LibEtPan has a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a `begin TLS` response, the client reads additional data (e.g., from a meddler-in-the-middle attacker) and evaluates it in a TLS context, aka `response injection.`",
"fixed_versions": [],
"identifier": "CVE-2020-15953",
"identifiers": [
"CVE-2020-15953"
],
"not_impacted": "",
"package_slug": "npm/libetpan",
"pubdate": "2020-07-27",
"solution": "Unfortunately, there is no solution at the moment.",
"title": "Injection Vulnerability",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-15953"
],
"uuid": "1dce6a14-d41c-405b-909e-ff8013300689"
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
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"cpe23Uri": "cpe:2.3:a:libetpan_project:libetpan:*:*:*:*:*:*:*:*",
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"ID": "CVE-2020-15953"
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"description": {
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}
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},
"problemtype": {
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"references": {
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{
"name": "https://github.com/dinhvh/libetpan/issues/386",
"refsource": "MISC",
"tags": [
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"Patch",
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],
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},
{
"name": "GLSA-202007-55",
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},
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"name": "[debian-lts-announce] 20200816 [SECURITY] [DLA 2329-1] libetpan security update",
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 5.2
}
},
"lastModifiedDate": "2023-01-20T21:03Z",
"publishedDate": "2020-07-27T07:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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