fkie_cve-2020-35679
Vulnerability from fkie_nvd
Published
2020-12-24 16:15
Modified
2024-11-21 05:27
Severity ?
Summary
smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| opensmtpd | opensmtpd | * | |
| opensmtpd | opensmtpd | 6.8.0 | |
| opensmtpd | opensmtpd | 6.8.0 | |
| fedoraproject | fedora | 32 | |
| fedoraproject | fedora | 33 |
{
"configurations": [
{
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"matchCriteriaId": "95277BD3-1335-4B27-AE1A-61FB5C85FE60",
"versionEndExcluding": "6.8.0",
"vulnerable": true
},
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"matchCriteriaId": "65FA0447-DC89-4609-824B-ED31E56AD47D",
"vulnerable": true
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a \"very significant\" memory leak via messages to an instance that performs many regex lookups."
},
{
"lang": "es",
"value": "El archivo smtpd/table.c en OpenSMTPD versiones anteriores a 6.8.0p1, carece de determinado regfree, lo que podr\u00eda permitir a atacantes activar un filtrado de memoria \"very significant\" por medio de mensajes hacia una instancia que lleva a cabo muchas b\u00fasquedas de expresiones regulares"
}
],
"id": "CVE-2020-35679",
"lastModified": "2024-11-21T05:27:49.763",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
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"source": "nvd@nist.gov",
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"cvssMetricV31": [
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"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"
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"published": "2020-12-24T16:15:15.537",
"references": [
{
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"tags": [
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"url": "https://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043"
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},
{
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},
{
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"tags": [
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"url": "https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/"
},
{
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"url": "https://security.gentoo.org/glsa/202105-12"
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"url": "https://www.mail-archive.com/misc%40opensmtpd.org/msg05188.html"
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],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-401"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
- 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.