GSD-2022-39173
Vulnerability from gsd - Updated: 2023-12-13 01:19Details
In wolfSSL before 5.5.1, malicious clients can cause a buffer overflow during a TLS 1.3 handshake. This occurs when an attacker supposedly resumes a previous TLS session. During the resumption Client Hello a Hello Retry Request must be triggered. Both Client Hellos are required to contain a list of duplicate cipher suites to trigger the buffer overflow. In total, two Client Hellos have to be sent: one in the resumed session, and a second one as a response to a Hello Retry Request message.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-39173",
"description": "In wolfSSL before 5.5.1, malicious clients can cause a buffer overflow during a TLS 1.3 handshake. This occurs when an attacker supposedly resumes a previous TLS session. During the resumption Client Hello a Hello Retry Request must be triggered. Both Client Hellos are required to contain a list of duplicate cipher suites to trigger the buffer overflow. In total, two Client Hellos have to be sent: one in the resumed session, and a second one as a response to a Hello Retry Request message.",
"id": "GSD-2022-39173"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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"aliases": [
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"details": "In wolfSSL before 5.5.1, malicious clients can cause a buffer overflow during a TLS 1.3 handshake. This occurs when an attacker supposedly resumes a previous TLS session. During the resumption Client Hello a Hello Retry Request must be triggered. Both Client Hellos are required to contain a list of duplicate cipher suites to trigger the buffer overflow. In total, two Client Hellos have to be sent: one in the resumed session, and a second one as a response to a Hello Retry Request message.",
"id": "GSD-2022-39173",
"modified": "2023-12-13T01:19:21.036238Z",
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"name": "https://www.wolfssl.com/docs/security-vulnerabilities/",
"refsource": "MISC",
"url": "https://www.wolfssl.com/docs/security-vulnerabilities/"
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"name": "https://github.com/wolfSSL/wolfssl/releases",
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"name": "20221030 wolfssl before 5.5.1: CVE-2022-39173 Buffer overflow when refining cipher suites",
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"url": "http://seclists.org/fulldisclosure/2022/Oct/24"
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"name": "http://packetstormsecurity.com/files/169600/wolfSSL-Buffer-Overflow.html",
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"url": "http://packetstormsecurity.com/files/169600/wolfSSL-Buffer-Overflow.html"
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{
"name": "https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/",
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"url": "https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/"
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"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c5.5.1",
"affected_versions": "All versions before 5.5.1",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-787",
"CWE-937"
],
"date": "2023-08-08",
"description": "In wolfSSL before 5.5.1, malicious clients can cause a buffer overflow during a TLS 1.3 handshake. This occurs when an attacker supposedly resumes a previous TLS session. During the resumption Client Hello a Hello Retry Request must be triggered. Both Client Hellos are required to contain a list of duplicate cipher suites to trigger the buffer overflow. In total, two Client Hellos have to be sent: one in the resumed session, and a second one as a response to a Hello Retry Request message.",
"fixed_versions": [
"5.5.1"
],
"identifier": "CVE-2022-39173",
"identifiers": [
"CVE-2022-39173"
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"not_impacted": "All versions starting from 5.5.1",
"package_slug": "conan/wolfssl",
"pubdate": "2022-09-29",
"solution": "Upgrade to version 5.5.1 or above.",
"title": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2022-39173",
"https://www.wolfssl.com/docs/security-vulnerabilities/",
"https://github.com/wolfSSL/wolfssl/releases"
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"uuid": "1cc98592-cf24-43b5-bc37-ebc16fa50017"
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"value": "In wolfSSL before 5.5.1, malicious clients can cause a buffer overflow during a TLS 1.3 handshake. This occurs when an attacker supposedly resumes a previous TLS session. During the resumption Client Hello a Hello Retry Request must be triggered. Both Client Hellos are required to contain a list of duplicate cipher suites to trigger the buffer overflow. In total, two Client Hellos have to be sent: one in the resumed session, and a second one as a response to a Hello Retry Request message."
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"references": {
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"name": "https://www.wolfssl.com/docs/security-vulnerabilities/",
"refsource": "MISC",
"tags": [
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"url": "https://www.wolfssl.com/docs/security-vulnerabilities/"
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{
"name": "20221030 wolfssl before 5.5.1: CVE-2022-39173 Buffer overflow when refining cipher suites",
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"url": "http://seclists.org/fulldisclosure/2022/Oct/24"
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{
"name": "http://packetstormsecurity.com/files/169600/wolfSSL-Buffer-Overflow.html",
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"url": "http://packetstormsecurity.com/files/169600/wolfSSL-Buffer-Overflow.html"
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{
"name": "https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/",
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"tags": [],
"url": "https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/"
}
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},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2023-02-15T22:15Z",
"publishedDate": "2022-09-29T01:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
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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