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4 vulnerabilities found for aiosmtpd by aio-libs
CVE-2024-34083 (GCVE-0-2024-34083)
Vulnerability from nvd – Published: 2024-05-18 18:12 – Updated: 2024-08-02 02:42
VLAI
EPSS
VEX
Title
STARTTLS unencrypted commands injection
Summary
aiosmptd is a reimplementation of the Python stdlib smtpd.py based on asyncio. Prior to version 1.4.6, servers based on aiosmtpd accept extra unencrypted commands after STARTTLS, treating them as if they came from inside the encrypted connection. This could be exploited by a man-in-the-middle attack. Version 1.4.6 contains a patch for the issue.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-349 - Acceptance of Extraneous Untrusted Data With Trusted Data
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/aio-libs/aiosmtpd/security/adv… | x_refsource_CONFIRM |
| https://github.com/aio-libs/aiosmtpd/commit/b3a4a… | x_refsource_MISC |
| https://nostarttls.secvuln.info | x_refsource_MISC |
Impacted products
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CVE-2024-27305 (GCVE-0-2024-27305)
Vulnerability from nvd – Published: 2024-03-12 20:29 – Updated: 2024-08-02 00:27
VLAI
EPSS
VEX
Title
SMTP smuggling in aiosmtpd
Summary
aiosmtpd is a reimplementation of the Python stdlib smtpd.py based on asyncio. aiosmtpd is vulnerable to inbound SMTP smuggling. SMTP smuggling is a novel vulnerability based on not so novel interpretation differences of the SMTP protocol. By exploiting SMTP smuggling, an attacker may send smuggle/spoof e-mails with fake sender addresses, allowing advanced phishing attacks. This issue is also existed in other SMTP software like Postfix. With the right SMTP server constellation, an attacker can send spoofed e-mails to inbound/receiving aiosmtpd instances. This issue has been addressed in version 1.4.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/aio-libs/aiosmtpd/security/adv… | x_refsource_CONFIRM |
| https://github.com/aio-libs/aiosmtpd/commit/24b6c… | x_refsource_MISC |
| https://www.postfix.org/smtp-smuggling.html | x_refsource_MISC |
Impacted products
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CVE-2024-34083 (GCVE-0-2024-34083)
Vulnerability from cvelistv5 – Published: 2024-05-18 18:12 – Updated: 2024-08-02 02:42
VLAI
EPSS
VEX
Title
STARTTLS unencrypted commands injection
Summary
aiosmptd is a reimplementation of the Python stdlib smtpd.py based on asyncio. Prior to version 1.4.6, servers based on aiosmtpd accept extra unencrypted commands after STARTTLS, treating them as if they came from inside the encrypted connection. This could be exploited by a man-in-the-middle attack. Version 1.4.6 contains a patch for the issue.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-349 - Acceptance of Extraneous Untrusted Data With Trusted Data
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/aio-libs/aiosmtpd/security/adv… | x_refsource_CONFIRM |
| https://github.com/aio-libs/aiosmtpd/commit/b3a4a… | x_refsource_MISC |
| https://nostarttls.secvuln.info | x_refsource_MISC |
Impacted products
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CVE-2024-27305 (GCVE-0-2024-27305)
Vulnerability from cvelistv5 – Published: 2024-03-12 20:29 – Updated: 2024-08-02 00:27
VLAI
EPSS
VEX
Title
SMTP smuggling in aiosmtpd
Summary
aiosmtpd is a reimplementation of the Python stdlib smtpd.py based on asyncio. aiosmtpd is vulnerable to inbound SMTP smuggling. SMTP smuggling is a novel vulnerability based on not so novel interpretation differences of the SMTP protocol. By exploiting SMTP smuggling, an attacker may send smuggle/spoof e-mails with fake sender addresses, allowing advanced phishing attacks. This issue is also existed in other SMTP software like Postfix. With the right SMTP server constellation, an attacker can send spoofed e-mails to inbound/receiving aiosmtpd instances. This issue has been addressed in version 1.4.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/aio-libs/aiosmtpd/security/adv… | x_refsource_CONFIRM |
| https://github.com/aio-libs/aiosmtpd/commit/24b6c… | x_refsource_MISC |
| https://www.postfix.org/smtp-smuggling.html | x_refsource_MISC |
Impacted products
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"name": "https://github.com/aio-libs/aiosmtpd/security/advisories/GHSA-pr2m-px7j-xg65",
"tags": [
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"url": "https://github.com/aio-libs/aiosmtpd/security/advisories/GHSA-pr2m-px7j-xg65"
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{
"name": "https://github.com/aio-libs/aiosmtpd/commit/24b6c79c8921cf1800e27ca144f4f37023982bbb",
"tags": [
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"url": "https://github.com/aio-libs/aiosmtpd/commit/24b6c79c8921cf1800e27ca144f4f37023982bbb"
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{
"name": "https://www.postfix.org/smtp-smuggling.html",
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.postfix.org/smtp-smuggling.html"
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],
"title": "CVE Program Container"
}
],
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{
"product": "aiosmtpd",
"vendor": "aio-libs",
"versions": [
{
"status": "affected",
"version": "\u003c 1.4.5"
}
]
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{
"lang": "en",
"value": "aiosmtpd is a reimplementation of the Python stdlib smtpd.py based on asyncio. aiosmtpd is vulnerable to inbound SMTP smuggling. SMTP smuggling is a novel vulnerability based on not so novel interpretation differences of the SMTP protocol. By exploiting SMTP smuggling, an attacker may send smuggle/spoof e-mails with fake sender addresses, allowing advanced phishing attacks. This issue is also existed in other SMTP software like Postfix. With the right SMTP server constellation, an attacker can send spoofed e-mails to inbound/receiving aiosmtpd instances. This issue has been addressed in version 1.4.5. Users are advised to upgrade. There are no known workarounds for this vulnerability."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-345",
"description": "CWE-345: Insufficient Verification of Data Authenticity",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-03-12T20:29:54.592Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
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"references": [
{
"name": "https://github.com/aio-libs/aiosmtpd/security/advisories/GHSA-pr2m-px7j-xg65",
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"url": "https://github.com/aio-libs/aiosmtpd/security/advisories/GHSA-pr2m-px7j-xg65"
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{
"name": "https://github.com/aio-libs/aiosmtpd/commit/24b6c79c8921cf1800e27ca144f4f37023982bbb",
"tags": [
"x_refsource_MISC"
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"url": "https://github.com/aio-libs/aiosmtpd/commit/24b6c79c8921cf1800e27ca144f4f37023982bbb"
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{
"name": "https://www.postfix.org/smtp-smuggling.html",
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],
"url": "https://www.postfix.org/smtp-smuggling.html"
}
],
"source": {
"advisory": "GHSA-pr2m-px7j-xg65",
"discovery": "UNKNOWN"
},
"title": "SMTP smuggling in aiosmtpd"
}
},
"cveMetadata": {
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"assignerShortName": "GitHub_M",
"cveId": "CVE-2024-27305",
"datePublished": "2024-03-12T20:29:54.592Z",
"dateReserved": "2024-02-22T18:08:38.875Z",
"dateUpdated": "2024-08-02T00:27:59.989Z",
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