ubuntu-cve-2024-5642
Vulnerability from osv_ubuntu
Published
2024-06-27 21:15
Modified
2026-07-09 19:20
Summary
Details
CPython 3.9 and earlier doesn't disallow configuring an empty list ("[]") for SSLContext.set_npn_protocols() which is an invalid value for the underlying OpenSSL API. This results in a buffer over-read when NPN is used (see CVE-2024-5535 for OpenSSL). This vulnerability is of low severity due to NPN being not widely used and specifying an empty list likely being uncommon in-practice (typically a protocol name would be configured).
Severity
6.5 (Medium)
N/A (UNKNOWN)
References
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}
],
"priority_reason": "Requires unlikely API usage to be vulnerable."
},
"package": {
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"name": "python2.7",
"purl": "pkg:deb/ubuntu/python2.7@2.7.18-1~20.04.7+esm9?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
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}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.7.17~rc1-1",
"2.7.17-1",
"2.7.17-1ubuntu5",
"2.7.17-1ubuntu6",
"2.7.18~rc1-2",
"2.7.18-1~20.04",
"2.7.18-1~20.04.1",
"2.7.18-1~20.04.1+esm1",
"2.7.18-1~20.04.3",
"2.7.18-1~20.04.3+esm1",
"2.7.18-1~20.04.4",
"2.7.18-1~20.04.4+esm1",
"2.7.18-1~20.04.4+esm2",
"2.7.18-1~20.04.4+esm3",
"2.7.18-1~20.04.5",
"2.7.18-1~20.04.5+esm1",
"2.7.18-1~20.04.5+esm2",
"2.7.18-1~20.04.6",
"2.7.18-1~20.04.6+esm1",
"2.7.18-1~20.04.7",
"2.7.18-1~20.04.7+esm3",
"2.7.18-1~20.04.7+esm4",
"2.7.18-1~20.04.7+esm6",
"2.7.18-1~20.04.7+esm7",
"2.7.18-1~20.04.7+esm8",
"2.7.18-1~20.04.7+esm9"
]
},
{
"ecosystem_specific": {
"binaries": [
{
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},
{
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{
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{
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{
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},
{
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},
{
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},
{
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},
{
"binary_name": "python3.9-venv",
"binary_version": "3.9.5-3ubuntu0~20.04.1+esm10"
}
],
"priority_reason": "Requires unlikely API usage to be vulnerable."
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "python3.9",
"purl": "pkg:deb/ubuntu/python3.9@3.9.5-3ubuntu0~20.04.1+esm10?arch=source\u0026distro=esm-apps/focal"
},
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}
],
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],
"versions": [
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"3.9.0-5~20.04",
"3.9.5-3~20.04.1",
"3.9.5-3ubuntu0~20.04.1",
"3.9.5-3ubuntu0~20.04.1+esm1",
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"3.9.5-3ubuntu0~20.04.1+esm4",
"3.9.5-3ubuntu0~20.04.1+esm5",
"3.9.5-3ubuntu0~20.04.1+esm6",
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},
{
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},
{
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"binary_version": "2.7.18-13ubuntu1.5+esm8"
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{
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{
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},
{
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"binary_version": "2.7.18-13ubuntu1.5+esm8"
},
{
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},
{
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"binary_version": "2.7.18-13ubuntu1.5+esm8"
},
{
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"binary_version": "2.7.18-13ubuntu1.5+esm8"
}
],
"priority_reason": "Requires unlikely API usage to be vulnerable."
},
"package": {
"ecosystem": "Ubuntu:Pro:22.04:LTS",
"name": "python2.7",
"purl": "pkg:deb/ubuntu/python2.7@2.7.18-13ubuntu1.5+esm8?arch=source\u0026distro=esm-apps/jammy"
},
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],
"versions": [
"2.7.18-8build1",
"2.7.18-13",
"2.7.18-13ubuntu1",
"2.7.18-13ubuntu1.1",
"2.7.18-13ubuntu1.1+esm2",
"2.7.18-13ubuntu1.2",
"2.7.18-13ubuntu1.2+esm1",
"2.7.18-13ubuntu1.2+esm2",
"2.7.18-13ubuntu1.2+esm3",
"2.7.18-13ubuntu1.3",
"2.7.18-13ubuntu1.3+esm1",
"2.7.18-13ubuntu1.4",
"2.7.18-13ubuntu1.4+esm1",
"2.7.18-13ubuntu1.5",
"2.7.18-13ubuntu1.5+esm2",
"2.7.18-13ubuntu1.5+esm3",
"2.7.18-13ubuntu1.5+esm5",
"2.7.18-13ubuntu1.5+esm6",
"2.7.18-13ubuntu1.5+esm7",
"2.7.18-13ubuntu1.5+esm8"
]
}
],
"aliases": [],
"details": "CPython 3.9 and earlier doesn\u0027t disallow configuring an empty list (\"[]\") for SSLContext.set_npn_protocols() which is an invalid value for the underlying OpenSSL API. This results in a buffer over-read when NPN is used (see CVE-2024-5535 for OpenSSL). This vulnerability is of low severity due to NPN being not widely used and specifying an empty list likely being uncommon in-practice (typically a protocol name would be configured).",
"id": "UBUNTU-CVE-2024-5642",
"modified": "2026-07-09T19:20:52Z",
"published": "2024-06-27T21:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2024-5642"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-5642"
},
{
"type": "REPORT",
"url": "https://jbp.io/2024/06/27/cve-2024-5535-openssl-memory-safety.html"
},
{
"type": "REPORT",
"url": "https://github.com/python/cpython/pull/23014"
},
{
"type": "REPORT",
"url": "https://mail.python.org/archives/list/security-announce@python.org/thread/PLP2JI3PJY33YG6P5BZYSSNU66HASXBQ/"
},
{
"type": "REPORT",
"url": "http://www.openwall.com/lists/oss-security/2024/06/28/4"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2024-5642"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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