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CERTFR-2021-AVI-318
Vulnerability from certfr_avis - Published: - Updated:
De multiples vulnérabilités ont été découvertes dans Zimbra. Elles permettent à un attaquant de provoquer un déni de service à distance.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Zimbra versions ant\u00e9rieures \u00e0 8.8.15 P21",
"product": {
"name": "N/A",
"vendor": {
"name": "N/A",
"scada": false
}
}
},
{
"description": "Zimbra versions 9.0.x ant\u00e9rieures \u00e0 9.0.0 P14",
"product": {
"name": "N/A",
"vendor": {
"name": "N/A",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2020-3341",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-3341"
},
{
"name": "CVE-2021-3449",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3449"
},
{
"name": "CVE-2020-3327",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-3327"
}
],
"links": [],
"reference": "CERTFR-2021-AVI-318",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2021-04-27T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Zimbra. Elles\npermettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Zimbra",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Zimbra du 26 avril 2021",
"url": "https://blog.zimbra.com/2021/04/new-zimbra-patches-9-0-0-patch-14-and-8-8-15-patch-21/"
}
]
}
CVE-2021-3449 (GCVE-0-2021-3449)
Vulnerability from cvelistv5 – Published: 2021-03-25 14:25 – Updated: 2024-09-17 03:43
VLAI?
EPSS
Summary
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j).
Severity ?
No CVSS data available.
CWE
- NULL pointer dereference
Assigner
References
Impacted products
Credits
Peter Kästle (Nokia) and Samuel Sapalski (Nokia)
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CVE-2020-3327 (GCVE-0-2020-3327)
Vulnerability from cvelistv5 – Published: 2020-05-13 02:20 – Updated: 2024-11-15 17:22
VLAI?
EPSS
Summary
A vulnerability in the ARJ archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a heap buffer overflow read. An attacker could exploit this vulnerability by sending a crafted ARJ file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
Severity ?
7.5 (High)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||
Credits
Special thanks to Daehui Chang and Fady Othman for helping identify the ARJ parsing vulnerability.
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CVE-2020-3341 (GCVE-0-2020-3341)
Vulnerability from cvelistv5 – Published: 2020-05-13 02:20 – Updated: 2024-11-15 17:21
VLAI?
EPSS
Summary
A vulnerability in the PDF archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.101 - 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a stack buffer overflow read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
Severity ?
7.5 (High)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Credits
OSS-Fuzz discovered this vulnerability.
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"dateReserved": "2019-12-12T00:00:00",
"dateUpdated": "2024-11-15T17:21:52.637Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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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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