Vulnerability-Lookup

CNVD-2015-02826

Vulnerability from cnvd - Published: 2015-04-30

Title

Dovecot imap-login TLS Handshake拒绝服务漏洞

Description

Dovecot是一款开源的基于类Linux/UNIX系统的IMAP和POP3邮件服务器。 Dovecot 2.2.16及之前版本存在拒绝服务漏洞。由于程序处理强制SSLv3连接时存在与imap-login相关的错误。攻击者可利用漏洞造成拒绝服务（崩溃）。

Severity

中

Formal description

目前没有详细解决方案提供： http://dovecot.org/

Reference

http://hg.dovecot.org/dovecot-2.2/rev/86f535375750 http://dovecot.org/pipermail/dovecot/2015-March/100188.html

Impacted products

Name
Dovecot Dovecot <= 2.2.16

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-3420"
    }
  },
  "description": "Dovecot\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u57fa\u4e8e\u7c7bLinux/UNIX\u7cfb\u7edf\u7684IMAP\u548cPOP3\u90ae\u4ef6\u670d\u52a1\u5668\u3002\r\n\r\nDovecot 2.2.16\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u5904\u7406\u5f3a\u5236SSLv3\u8fde\u63a5\u65f6\u5b58\u5728\u4e0eimap-login\u76f8\u5173\u7684\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u3002",
  "discovererName": "Timo Sirainen",
  "formalWay": "\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b\uff1a\r\nhttp://dovecot.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-02826",
  "openTime": "2015-04-30",
  "products": {
    "product": "Dovecot Dovecot \u003c= 2.2.16"
  },
  "referenceLink": "http://hg.dovecot.org/dovecot-2.2/rev/86f535375750\r\nhttp://dovecot.org/pipermail/dovecot/2015-March/100188.html",
  "serverity": "\u4e2d",
  "submitTime": "2015-04-30",
  "title": "Dovecot imap-login TLS Handshake\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-3420 (GCVE-0-2015-3420)

Vulnerability from cvelistv5 – Published: 2017-09-19 15:00 – Updated: 2024-08-06 05:47

Summary

The ssl-proxy-openssl.c function in Dovecot before 2.2.17, when SSLv3 is disabled, allow remote attackers to cause a denial of service (login process crash) via vectors related to handshake failures.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

9 references

URL	Tags
http://www.openwall.com/lists/oss-security/2015/04/28/4	mailing-listx_refsource_MLIST
https://dovecot.org/pipermail/dovecot/2015-April/…	mailing-listx_refsource_MLIST
https://dovecot.org/pipermail/dovecot-news/2015-M…	mailing-listx_refsource_MLIST
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
https://bugzilla.redhat.com/show_bug.cgi?id=1216057	x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://www.openwall.com/lists/oss-security/2015/04/27/1	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/74335	vdb-entryx_refsource_BID

Date Public

2015-04-24 00:00

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.